97987056 has 40 divisors (see below), whose sum is σ = 261865680. Its totient is φ = 31535616.

The previous prime is 97987049. The next prime is 97987073. The reversal of 97987056 is 65078979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33805 + ... + 36588.

It is an arithmetic number, because the mean of its divisors is an integer number (6546642).

Almost surely, 2^97987056 is an apocalyptic number.

It is an amenable number.

97987056 is an abundant number, since it is smaller than the sum of its proper divisors (163878624).

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

97987056 is a wasteful number, since it uses less digits than its factorization.

97987056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70433 (or 70427 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 97987056 is about 9898.8411442956. The cubic root of 97987056 is about 461.0233298470.

The spelling of 97987056 in words is "ninety-seven million, nine hundred eighty-seven thousand, fifty-six".