97655208 has 128 divisors (see below), whose sum is σ = 305233920. Its totient is φ = 25390080.

The previous prime is 97655197. The next prime is 97655221. The reversal of 97655208 is 80255679.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 97655208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87985 + ... + 89087.

It is an arithmetic number, because the mean of its divisors is an integer number (2384640).

Almost surely, 2^97655208 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 97655208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152616960).

97655208 is an abundant number, since it is smaller than the sum of its proper divisors (207578712).

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

97655208 is a wasteful number, since it uses less digits than its factorization.

97655208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 97655208 is about 9882.0649663924. The cubic root of 97655208 is about 460.5022994529.

The spelling of 97655208 in words is "ninety-seven million, six hundred fifty-five thousand, two hundred eight".