97505616 has 40 divisors (see below), whose sum is σ = 271267360. Its totient is φ = 30001536.

The previous prime is 97505563. The next prime is 97505621. The reversal of 97505616 is 61650579.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 77506 + ... + 78753.

It is an arithmetic number, because the mean of its divisors is an integer number (6781684).

Almost surely, 2^97505616 is an apocalyptic number.

It is an amenable number.

97505616 is an abundant number, since it is smaller than the sum of its proper divisors (173761744).

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

97505616 is a wasteful number, since it uses less digits than its factorization.

97505616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156283 (or 156277 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 97505616 is about 9874.4932021851. The cubic root of 97505616 is about 460.2670409136.

The spelling of 97505616 in words is "ninety-seven million, five hundred five thousand, six hundred sixteen".