89276997251 has 16 divisors (see below), whose sum is σ = 101216908800. Its totient is φ = 78062768928.

The previous prime is 89276997221. The next prime is 89276997269. The reversal of 89276997251 is 15279967298.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89276997251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89276997221) 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, 2730140 + ... + 2762646.

It is an arithmetic number, because the mean of its divisors is an integer number (6326056800).

Almost surely, 2^89276997251 is an apocalyptic number.

89276997251 is a deficient number, since it is larger than the sum of its proper divisors (11939911549).

89276997251 is a wasteful number, since it uses less digits than its factorization.

89276997251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43658.

The product of its digits is 34292160, while the sum is 65.

The spelling of 89276997251 in words is "eighty-nine billion, two hundred seventy-six million, nine hundred ninety-seven thousand, two hundred fifty-one".