863537152 has 48 divisors (see below), whose sum is σ = 1732037580. Its totient is φ = 430424064.

The previous prime is 863537141. The next prime is 863537153. The reversal of 863537152 is 251735368.

It can be written as a sum of positive squares in 2 ways, for example, as 834978816 + 28558336 = 28896^2 + 5344^2 .

It is a super-2 number, since 2×863537152² = 1491392825768542208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (863537153) 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, 1140358 + ... + 1141114.

Almost surely, 2^863537152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863537152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866018790).

863537152 is an abundant number, since it is smaller than the sum of its proper divisors (868500428).

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

863537152 is an equidigital number, since it uses as much as digits as its factorization.

863537152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1316 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 863537152 is about 29386.0026543251. The cubic root of 863537152 is about 952.2705254773.

The spelling of 863537152 in words is "eight hundred sixty-three million, five hundred thirty-seven thousand, one hundred fifty-two".