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97485458479 = 313144692209
BaseRepresentation
bin101101011001010010…
…1100000110000101111
3100022121221002101202021
41122302211200300233
53044122234132404
6112441215411011
710020531503443
oct1326245406057
9308557071667
1097485458479
1138385aaa912
1216a87823a67
13926788b556
144a0b106823
1528085da454
hex16b2960c2f

97485458479 has 4 divisors (see below), whose sum is σ = 100630150720. Its totient is φ = 94340766240.

The previous prime is 97485458437. The next prime is 97485458509.

97485458479 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97485458479 - 29 = 97485457967 is a prime.

It is a super-2 number, since 2×974854584792 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97485458429) 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, 1572346074 + ... + 1572346135.

It is an arithmetic number, because the mean of its divisors is an integer number (25157537680).

Almost surely, 297485458479 is an apocalyptic number.

97485458479 is a deficient number, since it is larger than the sum of its proper divisors (3144692241).

97485458479 is a wasteful number, since it uses less digits than its factorization.

97485458479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144692240.

The product of its digits is 406425600, while the sum is 70.

The spelling of 97485458479 in words is "ninety-seven billion, four hundred eighty-five million, four hundred fifty-eight thousand, four hundred seventy-nine".

Divisors: 1 31 3144692209 97485458479