880558965 has 64 divisors (see below), whose sum is σ = 1839156480. Its totient is φ = 394087680.

The previous prime is 880558949. The next prime is 880558981. The reversal of 880558965 is 569855088.

880558965 is a `hidden beast` number, since 8 + 80 + 558 + 9 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (880558949) and next prime (880558981).

It is not a de Polignac number, because 880558965 - 2⁴ = 880558949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3502 + ... + 42111.

It is an arithmetic number, because the mean of its divisors is an integer number (28736820).

Almost surely, 2^880558965 is an apocalyptic number.

It is an amenable number.

880558965 is an abundant number, since it is smaller than the sum of its proper divisors (958597515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

880558965 is a wasteful number, since it uses less digits than its factorization.

880558965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45651 (or 45645 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 54.

The square root of 880558965 is about 29674.2138059292. The cubic root of 880558965 is about 958.4868251353.

It can be divided in two parts, 88055 and 8965, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 880558965 in words is "eight hundred eighty million, five hundred fifty-eight thousand, nine hundred sixty-five".