97291275685956 has 243 divisors, whose sum is σ = 272048016453759. Its totient is φ = 29294992980000.

The previous prime is 97291275685939. The next prime is 97291275685973. The reversal of 97291275685956 is 65958657219279.

The square root of 97291275685956 is 9863634.

It is a perfect power (a square), and thus also a powerful number.

97291275685956 is a `hidden beast` number, since 9 + 7 + 2 + 9 + 12 + 7 + 5 + 6 + 8 + 595 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (97291275685939) and next prime (97291275685973).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 129548968581 + ... + 129548969331.

Almost surely, 2^{97291275685956} is an apocalyptic number.

97291275685956 is the 9863634-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97291275685956

97291275685956 is an abundant number, since it is smaller than the sum of its proper divisors (174756740767803).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97291275685956 is a wasteful number, since it uses less digits than its factorization.

97291275685956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 966 counting only the distinct ones).

The product of its digits is 5143824000, while the sum is 81.

The spelling of 97291275685956 in words is "ninety-seven trillion, two hundred ninety-one billion, two hundred seventy-five million, six hundred eighty-five thousand, nine hundred fifty-six".