99708686 has 32 divisors (see below), whose sum is σ = 187633152. Its totient is φ = 38604960.

The previous prime is 99708671. The next prime is 99708691. The reversal of 99708686 is 68680799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23780 + ... + 27656.

It is an arithmetic number, because the mean of its divisors is an integer number (5863536).

Almost surely, 2^99708686 is an apocalyptic number.

99708686 is a deficient number, since it is larger than the sum of its proper divisors (87924466).

99708686 is a wasteful number, since it uses less digits than its factorization.

99708686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

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

The square root of 99708686 is about 9985.4236765397. The cubic root of 99708686 is about 463.7077250450.

The spelling of 99708686 in words is "ninety-nine million, seven hundred eight thousand, six hundred eighty-six".