876430665 has 128 divisors (see below), whose sum is σ = 1819584000. Its totient is φ = 395550720.

The previous prime is 876430657. The next prime is 876430673. The reversal of 876430665 is 566034678.

It is an interprime number because it is at equal distance from previous prime (876430657) and next prime (876430673).

It is not a de Polignac number, because 876430665 - 2³ = 876430657 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 876430665.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3761389 + ... + 3761621.

It is an arithmetic number, because the mean of its divisors is an integer number (14215500).

Almost surely, 2^876430665 is an apocalyptic number.

876430665 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

876430665 is an abundant number, since it is smaller than the sum of its proper divisors (943153335).

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

876430665 is a wasteful number, since it uses less digits than its factorization.

876430665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 876430665 is about 29604.5716908723. The cubic root of 876430665 is about 956.9865958559.

The spelling of 876430665 in words is "eight hundred seventy-six million, four hundred thirty thousand, six hundred sixty-five".