97799616 has 56 divisors (see below), whose sum is σ = 287517840. Its totient is φ = 32599296.

The previous prime is 97799609. The next prime is 97799651. The reversal of 97799616 is 61699779.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 26571 + ... + 30026.

Almost surely, 2^97799616 is an apocalyptic number.

97799616 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97799616 is an abundant number, since it is smaller than the sum of its proper divisors (189718224).

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

97799616 is a wasteful number, since it uses less digits than its factorization.

97799616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56618 (or 56602 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 97799616 is about 9889.3688372919. The cubic root of 97799616 is about 460.7291774836.

The spelling of 97799616 in words is "ninety-seven million, seven hundred ninety-nine thousand, six hundred sixteen".