89939907 has 12 divisors (see below), whose sum is σ = 130184184. Its totient is φ = 59834880.

The previous prime is 89939903. The next prime is 89939957. The reversal of 89939907 is 70993998.

It is a happy number.

It is not a de Polignac number, because 89939907 - 2² = 89939903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89939903) 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, 5758 + ... + 14595.

It is an arithmetic number, because the mean of its divisors is an integer number (10848682).

Almost surely, 2^89939907 is an apocalyptic number.

89939907 is a deficient number, since it is larger than the sum of its proper divisors (40244277).

89939907 is a wasteful number, since it uses less digits than its factorization.

89939907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20850 (or 20847 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 89939907 is about 9483.6652724566. The cubic root of 89939907 is about 448.0407113168.

The spelling of 89939907 in words is "eighty-nine million, nine hundred thirty-nine thousand, nine hundred seven".