311678127682768 has 80 divisors (see below), whose sum is σ = 752985786539520. Its totient is φ = 121416753110400.

The previous prime is 311678127682739. The next prime is 311678127682781. The reversal of 311678127682768 is 867286721876113.

It is a self number, because there is not a number n which added to its sum of digits gives 311678127682768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7768918 + ... + 26147893.

It is an arithmetic number, because the mean of its divisors is an integer number (9412322331744).

Almost surely, 2^{311678127682768} is an apocalyptic number.

It is an amenable number.

311678127682768 is an abundant number, since it is smaller than the sum of its proper divisors (441307658856752).

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

311678127682768 is a wasteful number, since it uses less digits than its factorization.

311678127682768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33924296 (or 33924290 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 73.

The spelling of 311678127682768 in words is "three hundred eleven trillion, six hundred seventy-eight billion, one hundred twenty-seven million, six hundred eighty-two thousand, seven hundred sixty-eight".