99776806 has 12 divisors (see below), whose sum is σ = 156456972. Its totient is φ = 47718836.

The previous prime is 99776759. The next prime is 99776837. The reversal of 99776806 is 60867799.

It is a super-2 number, since 2×99776806² = 19910822031123272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46096 + ... + 48211.

It is an arithmetic number, because the mean of its divisors is an integer number (13038081).

Almost surely, 2^99776806 is an apocalyptic number.

99776806 is a deficient number, since it is larger than the sum of its proper divisors (56680166).

99776806 is a wasteful number, since it uses less digits than its factorization.

99776806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94355 (or 94332 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 99776806 is about 9988.8340660960. The cubic root of 99776806 is about 463.8133012014.

The spelling of 99776806 in words is "ninety-nine million, seven hundred seventy-six thousand, eight hundred six".