97959816 has 48 divisors (see below), whose sum is σ = 265765500. Its totient is φ = 32596992.

The previous prime is 97959793. The next prime is 97959853. The reversal of 97959816 is 61895979.

It can be written as a sum of positive squares in 2 ways, for example, as 66487716 + 31472100 = 8154^2 + 5610^2 .

It is a super-2 number, since 2×97959816² = 19192251101507712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74880 + ... + 76176.

Almost surely, 2^97959816 is an apocalyptic number.

It is an amenable number.

97959816 is an abundant number, since it is smaller than the sum of its proper divisors (167805684).

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

97959816 is a wasteful number, since it uses less digits than its factorization.

97959816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2351 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 97959816 is about 9897.4651300219. The cubic root of 97959816 is about 460.9806050222.

The spelling of 97959816 in words is "ninety-seven million, nine hundred fifty-nine thousand, eight hundred sixteen".