89872559 has 4 divisors (see below), whose sum is σ = 102711504. Its totient is φ = 77033616.

The previous prime is 89872529. The next prime is 89872561. The reversal of 89872559 is 95527898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89872559 - 2⁸ = 89872303 is a prime.

It is a super-2 number, since 2×89872559² = 16154153722416962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89872559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89872529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6419462 + ... + 6419475.

It is an arithmetic number, because the mean of its divisors is an integer number (25677876).

Almost surely, 2^89872559 is an apocalyptic number.

89872559 is a deficient number, since it is larger than the sum of its proper divisors (12838945).

89872559 is a wasteful number, since it uses less digits than its factorization.

89872559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838944.

The product of its digits is 1814400, while the sum is 53.

The square root of 89872559 is about 9480.1138706241. The cubic root of 89872559 is about 447.9288507732.

The spelling of 89872559 in words is "eighty-nine million, eight hundred seventy-two thousand, five hundred fifty-nine".