99680264 has 16 divisors (see below), whose sum is σ = 190069200. Its totient is φ = 48995152.

The previous prime is 99680249. The next prime is 99680281. The reversal of 99680264 is 46208699.

It is a super-2 number, since 2×99680264² = 19872310062219392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105122 + ... + 106065.

It is an arithmetic number, because the mean of its divisors is an integer number (11879325).

Almost surely, 2^99680264 is an apocalyptic number.

It is an amenable number.

99680264 is a deficient number, since it is larger than the sum of its proper divisors (90388936).

99680264 is a wasteful number, since it uses less digits than its factorization.

99680264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211252 (or 211248 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 99680264 is about 9984.0004006410. Note that the first 3 decimals coincide. The cubic root of 99680264 is about 463.6636608350.

The spelling of 99680264 in words is "ninety-nine million, six hundred eighty thousand, two hundred sixty-four".