89381331915 has 16 divisors (see below), whose sum is σ = 143019475200. Its totient is φ = 47666928992.

The previous prime is 89381331881. The next prime is 89381331917. The reversal of 89381331915 is 51913318398.

It is a cyclic number.

It is not a de Polignac number, because 89381331915 - 2¹³ = 89381323723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89381331917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52696 + ... + 426074.

It is an arithmetic number, because the mean of its divisors is an integer number (8938717200).

Almost surely, 2^89381331915 is an apocalyptic number.

89381331915 is a deficient number, since it is larger than the sum of its proper divisors (53638143285).

89381331915 is a wasteful number, since it uses less digits than its factorization.

89381331915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389346.

The product of its digits is 699840, while the sum is 51.

The spelling of 89381331915 in words is "eighty-nine billion, three hundred eighty-one million, three hundred thirty-one thousand, nine hundred fifteen".