89412870 has 32 divisors (see below), whose sum is σ = 215444448. Its totient is φ = 23748608.

The previous prime is 89412859. The next prime is 89412881. The reversal of 89412870 is 7821498.

It is an interprime number because it is at equal distance from previous prime (89412859) and next prime (89412881).

It is a super-2 number, since 2×89412870² = 15989322643273800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912 + ... + 13508.

It is an arithmetic number, because the mean of its divisors is an integer number (6732639).

Almost surely, 2^89412870 is an apocalyptic number.

89412870 is an abundant number, since it is smaller than the sum of its proper divisors (126031578).

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

89412870 is a wasteful number, since it uses less digits than its factorization.

89412870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 89412870 is about 9455.8378793209. The cubic root of 89412870 is about 447.1638414649.

It can be divided in two parts, 8941 and 2870, that added together give a palindrome (11811).

The spelling of 89412870 in words is "eighty-nine million, four hundred twelve thousand, eight hundred seventy".