97655808 has 88 divisors (see below), whose sum is σ = 264112128. Its totient is φ = 32075776.

The previous prime is 97655807. The next prime is 97655813. The reversal of 97655808 is 80855679.

It is a super-2 number, since 2×97655808² = 19073313672265728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97655807) 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, 254785 + ... + 255167.

Almost surely, 2^97655808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97655808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132056064).

97655808 is an abundant number, since it is smaller than the sum of its proper divisors (166456320).

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

97655808 is a wasteful number, since it uses less digits than its factorization.

97655808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 97655808 is about 9882.0953243733. The cubic root of 97655808 is about 460.5032425698.

The spelling of 97655808 in words is "ninety-seven million, six hundred fifty-five thousand, eight hundred eight".