97988858 has 16 divisors (see below), whose sum is σ = 160526016. Its totient is φ = 44490240.

The previous prime is 97988851. The next prime is 97988939. The reversal of 97988858 is 85888979.

It is a self number, because there is not a number n which added to its sum of digits gives 97988858.

It is not an unprimeable number, because it can be changed into a prime (97988851) 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, 23435 + ... + 27297.

It is an arithmetic number, because the mean of its divisors is an integer number (10032876).

Almost surely, 2^97988858 is an apocalyptic number.

97988858 is a deficient number, since it is larger than the sum of its proper divisors (62537158).

97988858 is a wasteful number, since it uses less digits than its factorization.

97988858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029.

The product of its digits is 11612160, while the sum is 62.

The square root of 97988858 is about 9898.9321646327. The cubic root of 97988858 is about 461.0261559310.

The spelling of 97988858 in words is "ninety-seven million, nine hundred eighty-eight thousand, eight hundred fifty-eight".