89047197187 has 32 divisors (see below), whose sum is σ = 101638164096. Its totient is φ = 77392972800.

The previous prime is 89047197179. The next prime is 89047197209. The reversal of 89047197187 is 78179174098.

It is not a de Polignac number, because 89047197187 - 2³ = 89047197179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89047197287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11804637 + ... + 11812177.

It is an arithmetic number, because the mean of its divisors is an integer number (3176192628).

Almost surely, 2^89047197187 is an apocalyptic number.

89047197187 is a deficient number, since it is larger than the sum of its proper divisors (12590966909).

89047197187 is a wasteful number, since it uses less digits than its factorization.

89047197187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191.

The product of its (nonzero) digits is 7112448, while the sum is 61.

The spelling of 89047197187 in words is "eighty-nine billion, forty-seven million, one hundred ninety-seven thousand, one hundred eighty-seven".