89879015 has 8 divisors (see below), whose sum is σ = 108517488. Its totient is φ = 71461440.

The previous prime is 89878981. The next prime is 89879039. The reversal of 89879015 is 51097898.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89879015 - 2¹² = 89874919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54326 + ... + 55955.

It is an arithmetic number, because the mean of its divisors is an integer number (13564686).

Almost surely, 2^89879015 is an apocalyptic number.

89879015 is a deficient number, since it is larger than the sum of its proper divisors (18638473).

89879015 is a wasteful number, since it uses less digits than its factorization.

89879015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110449.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 89879015 is about 9480.4543667485. The cubic root of 89879015 is about 447.9395761806.

The spelling of 89879015 in words is "eighty-nine million, eight hundred seventy-nine thousand, fifteen".