97988736 has 32 divisors (see below), whose sum is σ = 260283600. Its totient is φ = 32662784.

The previous prime is 97988713. The next prime is 97988743. The reversal of 97988736 is 63788979.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127206 + ... + 127973.

Almost surely, 2^97988736 is an apocalyptic number.

97988736 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97988736 is an abundant number, since it is smaller than the sum of its proper divisors (162294864).

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

97988736 is a wasteful number, since it uses less digits than its factorization.

97988736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255196 (or 255184 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 97988736 is about 9898.9260023500. The cubic root of 97988736 is about 461.0259645990.

The spelling of 97988736 in words is "ninety-seven million, nine hundred eighty-eight thousand, seven hundred thirty-six".