872647680 has 88 divisors (see below), whose sum is σ = 2791158192. Its totient is φ = 232701952.

The previous prime is 872647663. The next prime is 872647691. The reversal of 872647680 is 86746278.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13047 + ... + 43766.

Almost surely, 2^872647680 is an apocalyptic number.

872647680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

872647680 is an abundant number, since it is smaller than the sum of its proper divisors (1918510512).

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

872647680 is a wasteful number, since it uses less digits than its factorization.

872647680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56841 (or 56823 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 872647680 is about 29540.6106910470. The cubic root of 872647680 is about 955.6077123946.

The spelling of 872647680 in words is "eight hundred seventy-two million, six hundred forty-seven thousand, six hundred eighty".