97538508 has 36 divisors (see below), whose sum is σ = 252573048. Its totient is φ = 31719360.

The previous prime is 97538477. The next prime is 97538509. The reversal of 97538508 is 80583579.

97538508 is a `hidden beast` number, since 97 + 53 + 8 + 508 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (97538509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31566 + ... + 34517.

It is an arithmetic number, because the mean of its divisors is an integer number (7015918).

Almost surely, 2^97538508 is an apocalyptic number.

It is an amenable number.

97538508 is an abundant number, since it is smaller than the sum of its proper divisors (155034540).

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

97538508 is a wasteful number, since it uses less digits than its factorization.

97538508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66134 (or 66129 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 97538508 is about 9876.1585649482. The cubic root of 97538508 is about 460.3187897330.

The spelling of 97538508 in words is "ninety-seven million, five hundred thirty-eight thousand, five hundred eight".