865038471132 has 24 divisors (see below), whose sum is σ = 2201916108672. Its totient is φ = 262132870000.

The previous prime is 865038471083. The next prime is 865038471173. The reversal of 865038471132 is 231174830568.

It is a super-2 number, since 2×865038471132² (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, 3276660744 + ... + 3276661007.

It is an arithmetic number, because the mean of its divisors is an integer number (91746504528).

Almost surely, 2^865038471132 is an apocalyptic number.

It is an amenable number.

865038471132 is an abundant number, since it is smaller than the sum of its proper divisors (1336877637540).

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

865038471132 is a wasteful number, since it uses less digits than its factorization.

865038471132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553321769 (or 6553321767 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 865038471132 in words is "eight hundred sixty-five billion, thirty-eight million, four hundred seventy-one thousand, one hundred thirty-two".