99856835 has 16 divisors (see below), whose sum is σ = 129548160. Its totient is φ = 73453440.

The previous prime is 99856819. The next prime is 99856871. The reversal of 99856835 is 53865899.

It is not a de Polignac number, because 99856835 - 2⁴ = 99856819 is a prime.

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, 14630 + ... + 20340.

It is an arithmetic number, because the mean of its divisors is an integer number (8096760).

Almost surely, 2^99856835 is an apocalyptic number.

99856835 is a deficient number, since it is larger than the sum of its proper divisors (29691325).

99856835 is a wasteful number, since it uses less digits than its factorization.

99856835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998.

The product of its digits is 2332800, while the sum is 53.

The square root of 99856835 is about 9992.8391861372. The cubic root of 99856835 is about 463.9372732164.

The spelling of 99856835 in words is "ninety-nine million, eight hundred fifty-six thousand, eight hundred thirty-five".