99766808 has 8 divisors (see below), whose sum is σ = 187062780. Its totient is φ = 49883400.

The previous prime is 99766789. The next prime is 99766861. The reversal of 99766808 is 80866799.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 99766808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235418 + ... + 6235433.

Almost surely, 2^99766808 is an apocalyptic number.

It is an amenable number.

99766808 is a deficient number, since it is larger than the sum of its proper divisors (87295972).

99766808 is a wasteful number, since it uses less digits than its factorization.

99766808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12470857 (or 12470853 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 99766808 is about 9988.3335947494. Note that the first 3 decimals coincide. The cubic root of 99766808 is about 463.7978087555.

The spelling of 99766808 in words is "ninety-nine million, seven hundred sixty-six thousand, eight hundred eight".