844898664 has 32 divisors (see below), whose sum is σ = 2117700000. Its totient is φ = 280905792.

The previous prime is 844898641. The next prime is 844898683. The reversal of 844898664 is 466898448.

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, 35914 + ... + 54585.

It is an arithmetic number, because the mean of its divisors is an integer number (66178125).

Almost surely, 2^844898664 is an apocalyptic number.

It is an amenable number.

844898664 is an abundant number, since it is smaller than the sum of its proper divisors (1272801336).

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

844898664 is a wasteful number, since it uses less digits than its factorization.

844898664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90897 (or 90893 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 57.

The square root of 844898664 is about 29067.1406230472. The cubic root of 844898664 is about 945.3694006679.

The spelling of 844898664 in words is "eight hundred forty-four million, eight hundred ninety-eight thousand, six hundred sixty-four".