770776375664 has 40 divisors (see below), whose sum is σ = 1522001886240. Its totient is φ = 378071712000.

The previous prime is 770776375609. The next prime is 770776375679. The reversal of 770776375664 is 466573677077.

770776375664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 770776375664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011772 + ... + 2364059.

It is an arithmetic number, because the mean of its divisors is an integer number (38050047156).

Almost surely, 2^770776375664 is an apocalyptic number.

It is an amenable number.

770776375664 is a deficient number, since it is larger than the sum of its proper divisors (751225510576).

770776375664 is a wasteful number, since it uses less digits than its factorization.

770776375664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376049 (or 4376043 counting only the distinct ones).

The product of its (nonzero) digits is 217818720, while the sum is 65.

The spelling of 770776375664 in words is "seven hundred seventy billion, seven hundred seventy-six million, three hundred seventy-five thousand, six hundred sixty-four".