864276826 has 32 divisors (see below), whose sum is σ = 1562112000. Its totient is φ = 350343792.

The previous prime is 864276817. The next prime is 864276859. The reversal of 864276826 is 628672468.

864276826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 864276826.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188995 + ... + 193513.

It is an arithmetic number, because the mean of its divisors is an integer number (48816000).

Almost surely, 2^864276826 is an apocalyptic number.

864276826 is a deficient number, since it is larger than the sum of its proper divisors (697835174).

864276826 is a wasteful number, since it uses less digits than its factorization.

864276826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266.

The product of its digits is 1548288, while the sum is 49.

The square root of 864276826 is about 29398.5854421603. The cubic root of 864276826 is about 952.5423411254.

The spelling of 864276826 in words is "eight hundred sixty-four million, two hundred seventy-six thousand, eight hundred twenty-six".