863479504 has 40 divisors (see below), whose sum is σ = 1773402120. Its totient is φ = 405884928.

The previous prime is 863479499. The next prime is 863479511. The reversal of 863479504 is 405974368.

It can be written as a sum of positive squares in 4 ways, for example, as 364046400 + 499433104 = 19080^2 + 22348^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 436662 + ... + 438634.

It is an arithmetic number, because the mean of its divisors is an integer number (44335053).

Almost surely, 2^863479504 is an apocalyptic number.

It is an amenable number.

863479504 is an abundant number, since it is smaller than the sum of its proper divisors (909922616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863479504 is a wasteful number, since it uses less digits than its factorization.

863479504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3601 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 863479504 is about 29385.0217627961. The cubic root of 863479504 is about 952.2493344520.

The spelling of 863479504 in words is "eight hundred sixty-three million, four hundred seventy-nine thousand, five hundred four".