99412807 has 16 divisors (see below), whose sum is σ = 113179360. Its totient is φ = 86562432.

The previous prime is 99412801. The next prime is 99412811. The reversal of 99412807 is 70821499.

It is a cyclic number.

It is not a de Polignac number, because 99412807 - 2³ = 99412799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99412807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99412801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67693 + ... + 69145.

It is an arithmetic number, because the mean of its divisors is an integer number (7073710).

Almost surely, 2^99412807 is an apocalyptic number.

99412807 is a deficient number, since it is larger than the sum of its proper divisors (13766553).

99412807 is a wasteful number, since it uses less digits than its factorization.

99412807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 99412807 is about 9970.5971235428. The cubic root of 99412807 is about 463.2485964919.

The spelling of 99412807 in words is "ninety-nine million, four hundred twelve thousand, eight hundred seven".