89159000905 has 32 divisors (see below), whose sum is σ = 121313808000. Its totient is φ = 62360451072.

The previous prime is 89159000863. The next prime is 89159000927. The reversal of 89159000905 is 50900095198.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89159000905 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9503577 + ... + 9512953.

It is an arithmetic number, because the mean of its divisors is an integer number (3791056500).

Almost surely, 2^89159000905 is an apocalyptic number.

89159000905 is the 243802-nd pentagonal number.

It is an amenable number.

89159000905 is a deficient number, since it is larger than the sum of its proper divisors (32154807095).

89159000905 is a wasteful number, since it uses less digits than its factorization.

89159000905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17113.

The product of its (nonzero) digits is 145800, while the sum is 46.

The spelling of 89159000905 in words is "eighty-nine billion, one hundred fifty-nine million, nine hundred five", and thus it is an aban number.