97170975956 has 12 divisors (see below), whose sum is σ = 170052838368. Its totient is φ = 48584450712.

The previous prime is 97170975917. The next prime is 97170975997. The reversal of 97170975956 is 65957907179.

It is a super-2 number, since 2×97170975956² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97170975892 and 97170975901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25016 + ... + 441551.

It is an arithmetic number, because the mean of its divisors is an integer number (14171069864).

Almost surely, 2^97170975956 is an apocalyptic number.

It is an amenable number.

97170975956 is a deficient number, since it is larger than the sum of its proper divisors (72881862412).

97170975956 is a wasteful number, since it uses less digits than its factorization.

97170975956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518638 (or 518636 counting only the distinct ones).

The product of its (nonzero) digits is 37507050, while the sum is 65.

The spelling of 97170975956 in words is "ninety-seven billion, one hundred seventy million, nine hundred seventy-five thousand, nine hundred fifty-six".