880385715 has 72 divisors (see below), whose sum is σ = 1776194784. Its totient is φ = 401702400.

The previous prime is 880385707. The next prime is 880385747. The reversal of 880385715 is 517583088.

It is a happy number.

It is not a de Polignac number, because 880385715 - 2³ = 880385707 is a prime.

It is a super-2 number, since 2×880385715² = 1550158014352122450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 87810 + ... + 97320.

It is an arithmetic number, because the mean of its divisors is an integer number (24669372).

Almost surely, 2^880385715 is an apocalyptic number.

880385715 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

880385715 is an abundant number, since it is smaller than the sum of its proper divisors (895809069).

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

880385715 is a wasteful number, since it uses less digits than its factorization.

880385715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561 (or 9547 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The square root of 880385715 is about 29671.2944611454. The cubic root of 880385715 is about 958.4239602427.

The spelling of 880385715 in words is "eight hundred eighty million, three hundred eighty-five thousand, seven hundred fifteen".