89047915 has 8 divisors (see below), whose sum is σ = 116571888. Its totient is φ = 64762080.

The previous prime is 89047879. The next prime is 89047943. The reversal of 89047915 is 51974098.

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

It is not a de Polignac number, because 89047915 - 2⁹ = 89047403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809472 + ... + 809581.

It is an arithmetic number, because the mean of its divisors is an integer number (14571486).

Almost surely, 2^89047915 is an apocalyptic number.

89047915 is a deficient number, since it is larger than the sum of its proper divisors (27523973).

89047915 is a wasteful number, since it uses less digits than its factorization.

89047915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619069.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 89047915 is about 9436.5202802728. The cubic root of 89047915 is about 446.5546181284.

The spelling of 89047915 in words is "eighty-nine million, forty-seven thousand, nine hundred fifteen".