97999808 has 28 divisors (see below), whose sum is σ = 195510912. Its totient is φ = 48737280.

The previous prime is 97999807. The next prime is 97999813. The reversal of 97999808 is 80899979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97999807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216 + ... + 16232.

Almost surely, 2^97999808 is an apocalyptic number.

It is an amenable number.

97999808 is a deficient number, since it is larger than the sum of its proper divisors (97511104).

97999808 is a wasteful number, since it uses less digits than its factorization.

97999808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220 (or 8210 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 59.

The square root of 97999808 is about 9899.4852391425. The cubic root of 97999808 is about 461.0433281159.

The spelling of 97999808 in words is "ninety-seven million, nine hundred ninety-nine thousand, eight hundred eight".