88792989 has 16 divisors (see below), whose sum is σ = 126060480. Its totient is φ = 55399680.

The previous prime is 88792969. The next prime is 88792993. The reversal of 88792989 is 98929788.

88792989 = 3137² + 3138² + ... + 3145².

It is not a de Polignac number, because 88792989 - 2⁹ = 88792477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88792969) 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, 4422 + ... + 14040.

It is an arithmetic number, because the mean of its divisors is an integer number (7878780).

Almost surely, 2^88792989 is an apocalyptic number.

It is an amenable number.

88792989 is a deficient number, since it is larger than the sum of its proper divisors (37267491).

88792989 is a wasteful number, since it uses less digits than its factorization.

88792989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9820.

The product of its digits is 5225472, while the sum is 60.

The square root of 88792989 is about 9423.0031836989. The cubic root of 88792989 is about 446.1280792712.

Subtracting from 88792989 its sum of digits (60), we obtain a square (88792929 = 9423²).

The spelling of 88792989 in words is "eighty-eight million, seven hundred ninety-two thousand, nine hundred eighty-nine".