764625238863 has 16 divisors (see below), whose sum is σ = 1056041474400. Its totient is φ = 491525780480.

The previous prime is 764625238843. The next prime is 764625238901. The reversal of 764625238863 is 368832526467.

It is a cyclic number.

It is not a de Polignac number, because 764625238863 - 2⁸ = 764625238607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764625238797 and 764625238806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764625238843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5708298 + ... + 5840711.

It is an arithmetic number, because the mean of its divisors is an integer number (66002592150).

Almost surely, 2^764625238863 is an apocalyptic number.

764625238863 is a deficient number, since it is larger than the sum of its proper divisors (291416235537).

764625238863 is a wasteful number, since it uses less digits than its factorization.

764625238863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11549802.

The product of its digits is 69672960, while the sum is 60.

The spelling of 764625238863 in words is "seven hundred sixty-four billion, six hundred twenty-five million, two hundred thirty-eight thousand, eight hundred sixty-three".