768887231136 has 48 divisors (see below), whose sum is σ = 2018809342368. Its totient is φ = 256234745600.

The previous prime is 768887231081. The next prime is 768887231183. The reversal of 768887231136 is 631132788867.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 768887231136.

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, 546735 + ... + 1355246.

It is an arithmetic number, because the mean of its divisors is an integer number (42058527966).

Almost surely, 2^768887231136 is an apocalyptic number.

It is an amenable number.

768887231136 is an abundant number, since it is smaller than the sum of its proper divisors (1249922111232).

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

768887231136 is a wasteful number, since it uses less digits than its factorization.

768887231136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906205 (or 1906197 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The spelling of 768887231136 in words is "seven hundred sixty-eight billion, eight hundred eighty-seven million, two hundred thirty-one thousand, one hundred thirty-six".