864422680 has 64 divisors (see below), whose sum is σ = 2173560480. Its totient is φ = 306662400.

The previous prime is 864422641. The next prime is 864422687. The reversal of 864422680 is 86224468.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864422687) 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, 5919 + ... + 41998.

Almost surely, 2^864422680 is an apocalyptic number.

It is an amenable number.

864422680 is an abundant number, since it is smaller than the sum of its proper divisors (1309137800).

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

864422680 is a wasteful number, since it uses less digits than its factorization.

864422680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47980 (or 47976 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 864422680 is about 29401.0659670700. The cubic root of 864422680 is about 952.5959212948.

The spelling of 864422680 in words is "eight hundred sixty-four million, four hundred twenty-two thousand, six hundred eighty".