4398087664 has 20 divisors (see below), whose sum is σ = 8623963656. Its totient is φ = 2172548672.

The previous prime is 4398087653. The next prime is 4398087689. The reversal of 4398087664 is 4667808934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654579 + ... + 1657234.

Almost surely, 2^4398087664 is an apocalyptic number.

It is an amenable number.

4398087664 is a deficient number, since it is larger than the sum of its proper divisors (4225875992).

4398087664 is a wasteful number, since it uses less digits than its factorization.

4398087664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311904 (or 3311898 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The square root of 4398087664 is about 66318.0794655575. The cubic root of 4398087664 is about 1638.4051102002.

The spelling of 4398087664 in words is "four billion, three hundred ninety-eight million, eighty-seven thousand, six hundred sixty-four".