864761104 has 10 divisors (see below), whose sum is σ = 1675474670. Its totient is φ = 432380544.

The previous prime is 864761099. The next prime is 864761123. The reversal of 864761104 is 401167468.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 798175504 + 66585600 = 28252^2 + 8160^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27023769 + ... + 27023800.

It is an arithmetic number, because the mean of its divisors is an integer number (167547467).

Almost surely, 2^864761104 is an apocalyptic number.

It is an amenable number.

864761104 is a deficient number, since it is larger than the sum of its proper divisors (810713566).

864761104 is a wasteful number, since it uses less digits than its factorization.

864761104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54047577 (or 54047571 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 864761104 is about 29406.8207054078. The cubic root of 864761104 is about 952.7202197688.

It can be divided in two parts, 8647 and 61104, that added together give a triangular number (69751 = T₃₇₃).

The spelling of 864761104 in words is "eight hundred sixty-four million, seven hundred sixty-one thousand, one hundred four".