868515532 has 12 divisors (see below), whose sum is σ = 1522270456. Its totient is φ = 433581120.

The previous prime is 868515503. The next prime is 868515539. The reversal of 868515532 is 235515868.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (868515539) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 166269 + ... + 171412.

Almost surely, 2^868515532 is an apocalyptic number.

It is an amenable number.

868515532 is a deficient number, since it is larger than the sum of its proper divisors (653754924).

868515532 is a wasteful number, since it uses less digits than its factorization.

868515532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338328 (or 338326 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 868515532 is about 29470.5875747329. The cubic root of 868515532 is about 954.0969990166.

The spelling of 868515532 in words is "eight hundred sixty-eight million, five hundred fifteen thousand, five hundred thirty-two".