89123856 has 20 divisors (see below), whose sum is σ = 230236752. Its totient is φ = 29707936.

The previous prime is 89123849. The next prime is 89123863. The reversal of 89123856 is 65832198.

It is an interprime number because it is at equal distance from previous prime (89123849) and next prime (89123863).

It is an unprimeable number.

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, 928326 + ... + 928421.

Almost surely, 2^89123856 is an apocalyptic number.

It is an amenable number.

89123856 is an abundant number, since it is smaller than the sum of its proper divisors (141112896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89123856 is a wasteful number, since it uses less digits than its factorization.

89123856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856758 (or 1856752 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 89123856 is about 9440.5432047102. The cubic root of 89123856 is about 446.6815242205.

The spelling of 89123856 in words is "eighty-nine million, one hundred twenty-three thousand, eight hundred fifty-six".