97991104 has 14 divisors (see below), whose sum is σ = 194451224. Its totient is φ = 48995520.

The previous prime is 97991057. The next prime is 97991119. The reversal of 97991104 is 40119979.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765492 + ... + 765619.

Almost surely, 2^97991104 is an apocalyptic number.

It is an amenable number.

97991104 is a deficient number, since it is larger than the sum of its proper divisors (96460120).

97991104 is a wasteful number, since it uses less digits than its factorization.

97991104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531123 (or 1531113 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 97991104 is about 9899.0456105627. The cubic root of 97991104 is about 461.0296782935.

The spelling of 97991104 in words is "ninety-seven million, nine hundred ninety-one thousand, one hundred four".