764626646025067 has 12 divisors (see below), whose sum is σ = 889794674415360. Its totient is φ = 655150354894896.

The previous prime is 764626646025043. The next prime is 764626646025071. The reversal of 764626646025067 is 760520646626467.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-764626646025067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764626646024993 and 764626646025011.

It is not an unprimeable number, because it can be changed into a prime (764626646025667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2903594692 + ... + 2903858017.

It is an arithmetic number, because the mean of its divisors is an integer number (74149556201280).

Almost surely, 2^{764626646025067} is an apocalyptic number.

764626646025067 is a deficient number, since it is larger than the sum of its proper divisors (125168028390293).

764626646025067 is a wasteful number, since it uses less digits than its factorization.

764626646025067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807455410 (or 5807455403 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 67.

The spelling of 764626646025067 in words is "seven hundred sixty-four trillion, six hundred twenty-six billion, six hundred forty-six million, twenty-five thousand, sixty-seven".