97207311392 has 24 divisors (see below), whose sum is σ = 191844834300. Its totient is φ = 48484813824.

The previous prime is 97207311283. The next prime is 97207311419. The reversal of 97207311392 is 29311370279.

It can be written as a sum of positive squares in 2 ways, for example, as 96271196176 + 936115216 = 310276^2 + 30596^2 .

It is a super-2 number, since 2×97207311392² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3700517 + ... + 3726692.

Almost surely, 2^97207311392 is an apocalyptic number.

It is an amenable number.

97207311392 is a deficient number, since it is larger than the sum of its proper divisors (94637522908).

97207311392 is a wasteful number, since it uses less digits than its factorization.

97207311392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427628 (or 7427620 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 97207311392 in words is "ninety-seven billion, two hundred seven million, three hundred eleven thousand, three hundred ninety-two".