89172527 has 4 divisors (see below), whose sum is σ = 89193336. Its totient is φ = 89151720.

The previous prime is 89172509. The next prime is 89172539. The reversal of 89172527 is 72527198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72527198 = 2 ⋅36263599.

It is a cyclic number.

It is not a de Polignac number, because 89172527 - 2⁸ = 89172271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89172227) 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 3 ways as a sum of consecutive naturals, for example, 1349 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (22298334).

Almost surely, 2^89172527 is an apocalyptic number.

89172527 is a deficient number, since it is larger than the sum of its proper divisors (20809).

89172527 is a wasteful number, since it uses less digits than its factorization.

89172527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20808.

The product of its digits is 70560, while the sum is 41.

The square root of 89172527 is about 9443.1206176772. The cubic root of 89172527 is about 446.7628211225.

The spelling of 89172527 in words is "eighty-nine million, one hundred seventy-two thousand, five hundred twenty-seven".