88765270889 has 4 divisors (see below), whose sum is σ = 88880701140. Its totient is φ = 88649840640.

The previous prime is 88765270879. The next prime is 88765270921. The reversal of 88765270889 is 98807256788.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40374070489 + 48391200400 = 200933^2 + 219980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88765270889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88765270879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57713972 + ... + 57715509.

It is an arithmetic number, because the mean of its divisors is an integer number (22220175285).

Almost surely, 2^88765270889 is an apocalyptic number.

It is an amenable number.

88765270889 is a deficient number, since it is larger than the sum of its proper divisors (115430251).

88765270889 is a wasteful number, since it uses less digits than its factorization.

88765270889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115430250.

The product of its (nonzero) digits is 108380160, while the sum is 68.

The spelling of 88765270889 in words is "eighty-eight billion, seven hundred sixty-five million, two hundred seventy thousand, eight hundred eighty-nine".