773939072644 has 12 divisors (see below), whose sum is σ = 1354401002304. Its totient is φ = 386967357704.

The previous prime is 773939072639. The next prime is 773939072663. The reversal of 773939072644 is 446270939377.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460929 + ... + 1326775.

It is an arithmetic number, because the mean of its divisors is an integer number (112866750192).

Almost surely, 2^773939072644 is an apocalyptic number.

It is an amenable number.

773939072644 is a deficient number, since it is larger than the sum of its proper divisors (580461929660).

773939072644 is a wasteful number, since it uses less digits than its factorization.

773939072644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089314 (or 1089312 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 61.

The spelling of 773939072644 in words is "seven hundred seventy-three billion, nine hundred thirty-nine million, seventy-two thousand, six hundred forty-four".