865723008632 has 32 divisors (see below), whose sum is σ = 1661347372080. Its totient is φ = 422701493760.

The previous prime is 865723008613. The next prime is 865723008641. The reversal of 865723008632 is 236800327568.

It is a super-2 number, since 2×865723008632² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293098 + ... + 1844870.

Almost surely, 2^865723008632 is an apocalyptic number.

It is an amenable number.

865723008632 is a deficient number, since it is larger than the sum of its proper divisors (795624363448).

865723008632 is a wasteful number, since it uses less digits than its factorization.

865723008632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556383 (or 556379 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 865723008632 in words is "eight hundred sixty-five billion, seven hundred twenty-three million, eight thousand, six hundred thirty-two".