97656897 has 16 divisors (see below), whose sum is σ = 140773248. Its totient is φ = 59861760.

The previous prime is 97656893. The next prime is 97656917. The reversal of 97656897 is 79865679.

It is not a de Polignac number, because 97656897 - 2² = 97656893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97656893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5497 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (8798328).

Almost surely, 2^97656897 is an apocalyptic number.

It is an amenable number.

97656897 is a deficient number, since it is larger than the sum of its proper divisors (43116351).

97656897 is a wasteful number, since it uses less digits than its factorization.

97656897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9800.

The product of its digits is 5715360, while the sum is 57.

The square root of 97656897 is about 9882.1504238703. The cubic root of 97656897 is about 460.5049543170.

The spelling of 97656897 in words is "ninety-seven million, six hundred fifty-six thousand, eight hundred ninety-seven".