89139567 has 16 divisors (see below), whose sum is σ = 130249728. Its totient is φ = 53777280.

The previous prime is 89139563. The next prime is 89139569. The reversal of 89139567 is 76593198.

It is not a de Polignac number, because 89139567 - 2² = 89139563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89139563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303 + ... + 13415.

It is an arithmetic number, because the mean of its divisors is an integer number (8140608).

Almost surely, 2^89139567 is an apocalyptic number.

89139567 is a deficient number, since it is larger than the sum of its proper divisors (41110161).

89139567 is a wasteful number, since it uses less digits than its factorization.

89139567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12350.

The product of its digits is 408240, while the sum is 48.

The square root of 89139567 is about 9441.3752705843. The cubic root of 89139567 is about 446.7077700968.

It can be divided in two parts, 89 and 139567, that added together give a triangular number (139656 = T₅₂₈).

The spelling of 89139567 in words is "eighty-nine million, one hundred thirty-nine thousand, five hundred sixty-seven".