97870998 has 16 divisors (see below), whose sum is σ = 202492080. Its totient is φ = 31498656.

The previous prime is 97870961. The next prime is 97871021. The reversal of 97870998 is 89907879.

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 in 7 ways as a sum of consecutive naturals, for example, 281065 + ... + 281412.

It is an arithmetic number, because the mean of its divisors is an integer number (12655755).

Almost surely, 2^97870998 is an apocalyptic number.

97870998 is an abundant number, since it is smaller than the sum of its proper divisors (104621082).

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

97870998 is a wasteful number, since it uses less digits than its factorization.

97870998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562511.

The product of its (nonzero) digits is 2286144, while the sum is 57.

The square root of 97870998 is about 9892.9772060791. The cubic root of 97870998 is about 460.8412425862.

The spelling of 97870998 in words is "ninety-seven million, eight hundred seventy thousand, nine hundred ninety-eight".