863529472 has 40 divisors (see below), whose sum is σ = 1858107636. Its totient is φ = 398548992.

The previous prime is 863529451. The next prime is 863529479. The reversal of 863529472 is 274925368.

It can be written as a sum of positive squares in 2 ways, for example, as 848906496 + 14622976 = 29136^2 + 3824^2 .

It is not an unprimeable number, because it can be changed into a prime (863529479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58213 + ... + 71524.

Almost surely, 2^863529472 is an apocalyptic number.

It is an amenable number.

863529472 is an abundant number, since it is smaller than the sum of its proper divisors (994578164).

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

863529472 is a wasteful number, since it uses less digits than its factorization.

863529472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129768 (or 129752 counting only the distinct ones).

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

The square root of 863529472 is about 29385.8719795755. The cubic root of 863529472 is about 952.2677024143.

The spelling of 863529472 in words is "eight hundred sixty-three million, five hundred twenty-nine thousand, four hundred seventy-two".