861932716 has 12 divisors (see below), whose sum is σ = 1510871488. Its totient is φ = 430255152.

The previous prime is 861932713. The next prime is 861932717. The reversal of 861932716 is 617239168.

It is a super-2 number, since 2×861932716² = 1485856013822273312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (861932713) 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, 175071 + ... + 179926.

Almost surely, 2^861932716 is an apocalyptic number.

It is an amenable number.

861932716 is a deficient number, since it is larger than the sum of its proper divisors (648938772).

861932716 is a wasteful number, since it uses less digits than its factorization.

861932716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355608 (or 355606 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 861932716 is about 29358.6906383783. The cubic root of 861932716 is about 951.6803928542.

The spelling of 861932716 in words is "eight hundred sixty-one million, nine hundred thirty-two thousand, seven hundred sixteen".