764404477652 has 12 divisors (see below), whose sum is σ = 1340755009440. Its totient is φ = 381331617816.

The previous prime is 764404477591. The next prime is 764404477687. The reversal of 764404477652 is 256774404467.

It is a congruent number.

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, 217653278 + ... + 217656789.

It is an arithmetic number, because the mean of its divisors is an integer number (111729584120).

Almost surely, 2^764404477652 is an apocalyptic number.

It is an amenable number.

764404477652 is a deficient number, since it is larger than the sum of its proper divisors (576350531788).

764404477652 is a wasteful number, since it uses less digits than its factorization.

764404477652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435310510 (or 435310508 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 56.

The spelling of 764404477652 in words is "seven hundred sixty-four billion, four hundred four million, four hundred seventy-seven thousand, six hundred fifty-two".