864279404 has 6 divisors (see below), whose sum is σ = 1512488964. Its totient is φ = 432139700.

The previous prime is 864279397. The next prime is 864279413. The reversal of 864279404 is 404972468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108034922 + ... + 108034929.

It is an arithmetic number, because the mean of its divisors is an integer number (252081494).

Almost surely, 2^864279404 is an apocalyptic number.

It is an amenable number.

864279404 is a deficient number, since it is larger than the sum of its proper divisors (648209560).

864279404 is a wasteful number, since it uses less digits than its factorization.

864279404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216069855 (or 216069853 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 864279404 is about 29398.6292877746. The cubic root of 864279404 is about 952.5432882185.

The spelling of 864279404 in words is "eight hundred sixty-four million, two hundred seventy-nine thousand, four hundred four".