865460278976 has 28 divisors (see below), whose sum is σ = 1757337229032. Its totient is φ = 422666646528.

The previous prime is 865460278973. The next prime is 865460279023. The reversal of 865460278976 is 679872064568.

It is not an unprimeable number, because it can be changed into a prime (865460278973) 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, 157239305 + ... + 157244808.

It is an arithmetic number, because the mean of its divisors is an integer number (62762043894).

Almost surely, 2^865460278976 is an apocalyptic number.

865460278976 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

865460278976 is an abundant number, since it is smaller than the sum of its proper divisors (891876950056).

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

865460278976 is a wasteful number, since it uses less digits than its factorization.

865460278976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314484168 (or 314484158 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 68.

The spelling of 865460278976 in words is "eight hundred sixty-five billion, four hundred sixty million, two hundred seventy-eight thousand, nine hundred seventy-six".