97988056 has 32 divisors (see below), whose sum is σ = 188717760. Its totient is φ = 47672352.

The previous prime is 97988053. The next prime is 97988069. The reversal of 97988056 is 65088979.

It is a junction number, because it is equal to n+sod(n) for n = 97987994 and 97988012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97988053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152071 + ... + 152713.

It is an arithmetic number, because the mean of its divisors is an integer number (5897430).

Almost surely, 2^97988056 is an apocalyptic number.

It is an amenable number.

97988056 is a deficient number, since it is larger than the sum of its proper divisors (90729704).

97988056 is a wasteful number, since it uses less digits than its factorization.

97988056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 97988056 is about 9898.8916551299. The cubic root of 97988056 is about 461.0248981554.

The spelling of 97988056 in words is "ninety-seven million, nine hundred eighty-eight thousand, fifty-six".