654376864 has 48 divisors (see below), whose sum is σ = 1372992768. Its totient is φ = 306287872.

The previous prime is 654376831. The next prime is 654376901. The reversal of 654376864 is 468673456.

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, 25134 + ... + 44050.

It is an arithmetic number, because the mean of its divisors is an integer number (28604016).

Almost surely, 2^654376864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654376864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686496384).

654376864 is an abundant number, since it is smaller than the sum of its proper divisors (718615904).

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

654376864 is a wasteful number, since it uses less digits than its factorization.

654376864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18997 (or 18989 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The square root of 654376864 is about 25580.7909181870. The cubic root of 654376864 is about 868.1790707019.

The spelling of 654376864 in words is "six hundred fifty-four million, three hundred seventy-six thousand, eight hundred sixty-four".