89070919 has 16 divisors (see below), whose sum is σ = 107046720. Its totient is φ = 72495360.

The previous prime is 89070911. The next prime is 89070979. The reversal of 89070919 is 91907098.

It is not a de Polignac number, because 89070919 - 2³ = 89070911 is a prime.

It is a super-2 number, since 2×89070919² = 15867257223009122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89070911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8787 + ... + 15979.

It is an arithmetic number, because the mean of its divisors is an integer number (6690420).

Almost surely, 2^89070919 is an apocalyptic number.

89070919 is a deficient number, since it is larger than the sum of its proper divisors (17975801).

89070919 is a wasteful number, since it uses less digits than its factorization.

89070919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 89070919 is about 9437.7390830643. The cubic root of 89070919 is about 446.5930680573.

The spelling of 89070919 in words is "eighty-nine million, seventy thousand, nine hundred nineteen".