99807755 has 16 divisors (see below), whose sum is σ = 124032000. Its totient is φ = 77021280.

The previous prime is 99807739. The next prime is 99807769. The reversal of 99807755 is 55770899.

It is not a de Polignac number, because 99807755 - 2⁴ = 99807739 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, 57896 + ... + 59594.

It is an arithmetic number, because the mean of its divisors is an integer number (7752000).

Almost surely, 2^99807755 is an apocalyptic number.

99807755 is a deficient number, since it is larger than the sum of its proper divisors (24224245).

99807755 is a wasteful number, since it uses less digits than its factorization.

99807755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114.

The product of its (nonzero) digits is 793800, while the sum is 50.

The square root of 99807755 is about 9990.3831257865. The cubic root of 99807755 is about 463.8612518040.

The spelling of 99807755 in words is "ninety-nine million, eight hundred seven thousand, seven hundred fifty-five".