768137536715 has 48 divisors (see below), whose sum is σ = 984968208000. Its totient is φ = 574770468096.

The previous prime is 768137536703. The next prime is 768137536717. The reversal of 768137536715 is 517635731867.

It is a de Polignac number, because none of the positive numbers 2^k-768137536715 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768137536717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192561941 + ... + 192565929.

It is an arithmetic number, because the mean of its divisors is an integer number (20520171000).

Almost surely, 2^768137536715 is an apocalyptic number.

768137536715 is a deficient number, since it is larger than the sum of its proper divisors (216830671285).

768137536715 is a wasteful number, since it uses less digits than its factorization.

768137536715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5613 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 59.

The spelling of 768137536715 in words is "seven hundred sixty-eight billion, one hundred thirty-seven million, five hundred thirty-six thousand, seven hundred fifteen".