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85468470077 = 431987638839
BaseRepresentation
bin100111110011001010…
…0010101101100111101
322011121110000010200202
41033212110111230331
52400014412020302
6103132541533245
76113663003024
oct1174624255475
9264543003622
1085468470077
11332797a5641
1214693274225
1380a1059323
1441cb1458bb
152353611202
hex13e6515b3d

85468470077 has 4 divisors (see below), whose sum is σ = 87456108960. Its totient is φ = 83480831196.

The previous prime is 85468470047. The next prime is 85468470103. The reversal of 85468470077 is 77007486458.

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 85468470077 - 218 = 85468207933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85468470047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993819377 + ... + 993819462.

It is an arithmetic number, because the mean of its divisors is an integer number (21864027240).

Almost surely, 285468470077 is an apocalyptic number.

It is an amenable number.

85468470077 is a deficient number, since it is larger than the sum of its proper divisors (1987638883).

85468470077 is a wasteful number, since it uses less digits than its factorization.

85468470077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987638882.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 85468470077 in words is "eighty-five billion, four hundred sixty-eight million, four hundred seventy thousand, seventy-seven".

Divisors: 1 43 1987638839 85468470077