97556697 has 48 divisors (see below), whose sum is σ = 177019200. Its totient is φ = 52799040.

The previous prime is 97556687. The next prime is 97556699. The reversal of 97556697 is 79665579.

97556697 is a `hidden beast` number, since 9 + 75 + 566 + 9 + 7 = 666.

It is not a de Polignac number, because 97556697 - 2⁴ = 97556681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97556699) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 23197 + ... + 27077.

It is an arithmetic number, because the mean of its divisors is an integer number (3687900).

Almost surely, 2^97556697 is an apocalyptic number.

It is an amenable number.

97556697 is a deficient number, since it is larger than the sum of its proper divisors (79462503).

97556697 is a wasteful number, since it uses less digits than its factorization.

97556697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923 (or 3910 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 54.

The square root of 97556697 is about 9877.0793760099. The cubic root of 97556697 is about 460.3474014004.

The spelling of 97556697 in words is "ninety-seven million, five hundred fifty-six thousand, six hundred ninety-seven".