89712108 has 18 divisors (see below), whose sum is σ = 226772364. Its totient is φ = 29904024.

The previous prime is 89712097. The next prime is 89712113. The reversal of 89712108 is 80121798.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2492003 = 89712108 / (8 + 9 + 7 + 1 + 2 + 1 + 0 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1245966 + ... + 1246037.

Almost surely, 2^89712108 is an apocalyptic number.

It is an amenable number.

89712108 is an abundant number, since it is smaller than the sum of its proper divisors (137060256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89712108 is a wasteful number, since it uses less digits than its factorization.

89712108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492013 (or 2492008 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 89712108 is about 9471.6475863495. The cubic root of 89712108 is about 447.6621269963.

The spelling of 89712108 in words is "eighty-nine million, seven hundred twelve thousand, one hundred eight".