872386680 has 64 divisors (see below), whose sum is σ = 2855088000. Its totient is φ = 211487360.

The previous prime is 872386679. The next prime is 872386687. The reversal of 872386680 is 86683278.

It is a happy number.

It is a super-2 number, since 2×872386680² = 1522117038882844800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872386687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329130 + ... + 331769.

It is an arithmetic number, because the mean of its divisors is an integer number (44610750).

Almost surely, 2^872386680 is an apocalyptic number.

It is an amenable number.

872386680 is an abundant number, since it is smaller than the sum of its proper divisors (1982701320).

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

872386680 is a wasteful number, since it uses less digits than its factorization.

872386680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660924 (or 660920 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 872386680 is about 29536.1927133475. The cubic root of 872386680 is about 955.5124320623.

The spelling of 872386680 in words is "eight hundred seventy-two million, three hundred eighty-six thousand, six hundred eighty".