764668002760 has 16 divisors (see below), whose sum is σ = 1720503006300. Its totient is φ = 305867201088.

The previous prime is 764668002743. The next prime is 764668002773. The reversal of 764668002760 is 67200866467.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 754316568196 + 10351434564 = 868514^2 + 101742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 764668002698 and 764668002707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9558349995 + ... + 9558350074.

Almost surely, 2^764668002760 is an apocalyptic number.

It is an amenable number.

764668002760 is an abundant number, since it is smaller than the sum of its proper divisors (955835003540).

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

764668002760 is a wasteful number, since it uses less digits than its factorization.

764668002760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116700080 (or 19116700076 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 764668002760 in words is "seven hundred sixty-four billion, six hundred sixty-eight million, two thousand, seven hundred sixty".