89316815 has 24 divisors (see below), whose sum is σ = 129296160. Its totient is φ = 58014144.

The previous prime is 89316811. The next prime is 89316863. The reversal of 89316815 is 51861398.

It is not a de Polignac number, because 89316815 - 2² = 89316811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89316811) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9101 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (5387340).

Almost surely, 2^89316815 is an apocalyptic number.

89316815 is a deficient number, since it is larger than the sum of its proper divisors (39979345).

89316815 is a wasteful number, since it uses less digits than its factorization.

89316815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119 (or 7100 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 89316815 is about 9450.7573770571. The cubic root of 89316815 is about 447.0036567957.

The spelling of 89316815 in words is "eighty-nine million, three hundred sixteen thousand, eight hundred fifteen".