97620688 has 20 divisors (see below), whose sum is σ = 206335008. Its totient is φ = 44372960.

The previous prime is 97620661. The next prime is 97620697. The reversal of 97620688 is 88602679.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277156 + ... + 277507.

Almost surely, 2^97620688 is an apocalyptic number.

It is an amenable number.

97620688 is an abundant number, since it is smaller than the sum of its proper divisors (108714320).

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

97620688 is a wasteful number, since it uses less digits than its factorization.

97620688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554682 (or 554676 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 97620688 is about 9880.3182134990. The cubic root of 97620688 is about 460.4480322915.

Subtracting from 97620688 its reverse (88602679), we obtain a square (9018009 = 3003²).

The spelling of 97620688 in words is "ninety-seven million, six hundred twenty thousand, six hundred eighty-eight".