844664864604 has 48 divisors (see below), whose sum is σ = 2150116254720. Its totient is φ = 255951879040.

The previous prime is 844664864599. The next prime is 844664864609. The reversal of 844664864604 is 406468466448.

It is an interprime number because it is at equal distance from previous prime (844664864599) and next prime (844664864609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844664864609) 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, 6428437 + ... + 6558515.

It is an arithmetic number, because the mean of its divisors is an integer number (44794088640).

Almost surely, 2^844664864604 is an apocalyptic number.

It is an amenable number.

844664864604 is an abundant number, since it is smaller than the sum of its proper divisors (1305451390116).

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

844664864604 is a wasteful number, since it uses less digits than its factorization.

844664864604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179290 (or 179288 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 60.

The spelling of 844664864604 in words is "eight hundred forty-four billion, six hundred sixty-four million, eight hundred sixty-four thousand, six hundred four".