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9797047669 = 28334618543
BaseRepresentation
bin10010001111111001…
…10001010101110101
3221021202212120212101
421013330301111311
5130031021011134
64300052422101
7464531350123
oct110774612565
927252776771
109797047669
1141781a5a12
121a95017931
13c0193b436
1468d212913
153c516de14
hex247f31575

9797047669 has 4 divisors (see below), whose sum is σ = 9831666496. Its totient is φ = 9762428844.

The previous prime is 9797047649. The next prime is 9797047723. The reversal of 9797047669 is 9667407979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9797047669 - 27 = 9797047541 is a prime.

It is a super-2 number, since 2×97970476692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9797047669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9797047649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17308989 + ... + 17309554.

It is an arithmetic number, because the mean of its divisors is an integer number (2457916624).

Almost surely, 29797047669 is an apocalyptic number.

It is an amenable number.

9797047669 is a deficient number, since it is larger than the sum of its proper divisors (34618827).

9797047669 is a wasteful number, since it uses less digits than its factorization.

9797047669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34618826.

The product of its (nonzero) digits is 36006768, while the sum is 64.

The square root of 9797047669 is about 98980.0367195325. The cubic root of 9797047669 is about 2139.7600444987.

The spelling of 9797047669 in words is "nine billion, seven hundred ninety-seven million, forty-seven thousand, six hundred sixty-nine".

Divisors: 1 283 34618543 9797047669