89428875 has 16 divisors (see below), whose sum is σ = 148810272. Its totient is φ = 47695200.

The previous prime is 89428819. The next prime is 89428879. The reversal of 89428875 is 57882498.

It is a happy number.

It is not a de Polignac number, because 89428875 - 2⁷ = 89428747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89428879) 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, 118864 + ... + 119613.

It is an arithmetic number, because the mean of its divisors is an integer number (9300642).

Almost surely, 2^89428875 is an apocalyptic number.

89428875 is a deficient number, since it is larger than the sum of its proper divisors (59381397).

89428875 is a wasteful number, since it uses less digits than its factorization.

89428875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238495 (or 238485 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 89428875 is about 9456.6841440327. The cubic root of 89428875 is about 447.1905208094.

The spelling of 89428875 in words is "eighty-nine million, four hundred twenty-eight thousand, eight hundred seventy-five".