99805707 has 6 divisors (see below), whose sum is σ = 144163812. Its totient is φ = 66537132.

The previous prime is 99805697. The next prime is 99805711. The reversal of 99805707 is 70750899.

It is not a de Polignac number, because 99805707 - 2¹¹ = 99803659 is a prime.

It is a super-2 number, since 2×99805707² = 19922358299539698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99805747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5544753 + ... + 5544770.

It is an arithmetic number, because the mean of its divisors is an integer number (24027302).

Almost surely, 2^99805707 is an apocalyptic number.

99805707 is a deficient number, since it is larger than the sum of its proper divisors (44358105).

99805707 is a wasteful number, since it uses less digits than its factorization.

99805707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089529 (or 11089526 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 99805707 is about 9990.2806266891. The cubic root of 99805707 is about 463.8580790568.

The spelling of 99805707 in words is "ninety-nine million, eight hundred five thousand, seven hundred seven".