89147915 has 8 divisors (see below), whose sum is σ = 113270400. Its totient is φ = 67123072.

The previous prime is 89147869. The next prime is 89147917. The reversal of 89147915 is 51974198.

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

It is not a de Polignac number, because 89147915 - 2¹⁰ = 89146891 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (89147917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524315 + ... + 524484.

It is an arithmetic number, because the mean of its divisors is an integer number (14158800).

Almost surely, 2^89147915 is an apocalyptic number.

89147915 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

89147915 is a deficient number, since it is larger than the sum of its proper divisors (24122485).

89147915 is a wasteful number, since it uses less digits than its factorization.

89147915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048821.

The product of its digits is 90720, while the sum is 44.

The square root of 89147915 is about 9441.8173568440. The cubic root of 89147915 is about 446.7217145219.

The spelling of 89147915 in words is "eighty-nine million, one hundred forty-seven thousand, nine hundred fifteen".