865929995982 has 12 divisors (see below), whose sum is σ = 1876181658000. Its totient is φ = 288643331988.

The previous prime is 865929995963. The next prime is 865929995989. The reversal of 865929995982 is 289599929568.

It is a super-2 number, since 2×865929995982² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865929995989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24053610982 + ... + 24053611017.

It is an arithmetic number, because the mean of its divisors is an integer number (156348471500).

Almost surely, 2^865929995982 is an apocalyptic number.

865929995982 is an abundant number, since it is smaller than the sum of its proper divisors (1010251662018).

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

865929995982 is a wasteful number, since it uses less digits than its factorization.

865929995982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48107222007 (or 48107222004 counting only the distinct ones).

The product of its digits is 2267481600, while the sum is 81.

The spelling of 865929995982 in words is "eight hundred sixty-five billion, nine hundred twenty-nine million, nine hundred ninety-five thousand, nine hundred eighty-two".