89938765 has 12 divisors (see below), whose sum is σ = 125547516. Its totient is φ = 61672128.

The previous prime is 89938759. The next prime is 89938787. The reversal of 89938765 is 56783998.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57471561 + 32467204 = 7581^2 + 5698^2 .

It is not a de Polignac number, because 89938765 - 2⁷ = 89938637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183304 + ... + 183793.

It is an arithmetic number, because the mean of its divisors is an integer number (10462293).

Almost surely, 2^89938765 is an apocalyptic number.

It is an amenable number.

89938765 is a deficient number, since it is larger than the sum of its proper divisors (35608751).

89938765 is a wasteful number, since it uses less digits than its factorization.

89938765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367116 (or 367109 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 89938765 is about 9483.6050634767. The cubic root of 89938765 is about 448.0388149963.

The spelling of 89938765 in words is "eighty-nine million, nine hundred thirty-eight thousand, seven hundred sixty-five".