8517385732 has 12 divisors (see below), whose sum is σ = 14906320156. Its totient is φ = 4258437120.

The previous prime is 8517385729. The next prime is 8517385739. The reversal of 8517385732 is 2375837158.

It can be written as a sum of positive squares in 2 ways, for example, as 6812191296 + 1705194436 = 82536^2 + 41294^2 .

It is a hoax number, since the sum of its digits (49) 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 (8517385739) 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, 24628 + ... + 132820.

Almost surely, 2^8517385732 is an apocalyptic number.

It is an amenable number.

8517385732 is a deficient number, since it is larger than the sum of its proper divisors (6388934424).

8517385732 is a wasteful number, since it uses less digits than its factorization.

8517385732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127878 (or 127876 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 8517385732 is about 92289.6837788493. The cubic root of 8517385732 is about 2042.2180261511.

The spelling of 8517385732 in words is "eight billion, five hundred seventeen million, three hundred eighty-five thousand, seven hundred thirty-two".