99370807 has 12 divisors (see below), whose sum is σ = 102615744. Its totient is φ = 96223680.

The previous prime is 99370801. The next prime is 99370823. The reversal of 99370807 is 70807399.

It is not a de Polignac number, because 99370807 - 2⁷ = 99370679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99370801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412207 + ... + 412447.

It is an arithmetic number, because the mean of its divisors is an integer number (8551312).

Almost surely, 2^99370807 is an apocalyptic number.

99370807 is a deficient number, since it is larger than the sum of its proper divisors (3244937).

99370807 is a wasteful number, since it uses less digits than its factorization.

99370807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 99370807 is about 9968.4907082266. The cubic root of 99370807 is about 463.1833494268.

The spelling of 99370807 in words is "ninety-nine million, three hundred seventy thousand, eight hundred seven".