764468686079 has 4 divisors (see below), whose sum is σ = 873678498384. Its totient is φ = 655258873776.

The previous prime is 764468686061. The next prime is 764468686087. The reversal of 764468686079 is 970686864467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764468686079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764468686099) 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, 54604906142 + ... + 54604906155.

It is an arithmetic number, because the mean of its divisors is an integer number (218419624596).

Almost surely, 2^764468686079 is an apocalyptic number.

764468686079 is a deficient number, since it is larger than the sum of its proper divisors (109209812305).

764468686079 is a wasteful number, since it uses less digits than its factorization.

764468686079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109209812304.

The product of its (nonzero) digits is 585252864, while the sum is 71.

The spelling of 764468686079 in words is "seven hundred sixty-four billion, four hundred sixty-eight million, six hundred eighty-six thousand, seventy-nine".