764424770636 has 12 divisors (see below), whose sum is σ = 1337758841328. Its totient is φ = 382207958832.

The previous prime is 764424770623. The next prime is 764424770671. The reversal of 764424770636 is 636077424467.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701591 + ... + 1421646.

It is an arithmetic number, because the mean of its divisors is an integer number (111479903444).

Almost surely, 2^764424770636 is an apocalyptic number.

It is an amenable number.

764424770636 is a deficient number, since it is larger than the sum of its proper divisors (573334070692).

764424770636 is a wasteful number, since it uses less digits than its factorization.

764424770636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213248 (or 2213246 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 56.

The spelling of 764424770636 in words is "seven hundred sixty-four billion, four hundred twenty-four million, seven hundred seventy thousand, six hundred thirty-six".