864262988 has 12 divisors (see below), whose sum is σ = 1564614240. Its totient is φ = 417230352.

The previous prime is 864262969. The next prime is 864262999. The reversal of 864262988 is 889262468.

864262988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3725156 + ... + 3725387.

It is an arithmetic number, because the mean of its divisors is an integer number (130384520).

Almost surely, 2^864262988 is an apocalyptic number.

It is an amenable number.

864262988 is a deficient number, since it is larger than the sum of its proper divisors (700351252).

864262988 is a wasteful number, since it uses less digits than its factorization.

864262988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450576 (or 7450574 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The square root of 864262988 is about 29398.3500897584. The cubic root of 864262988 is about 952.5372573564.

The spelling of 864262988 in words is "eight hundred sixty-four million, two hundred sixty-two thousand, nine hundred eighty-eight".