772542766896 has 80 divisors (see below), whose sum is σ = 2149684316160. Its totient is φ = 238372231680.

The previous prime is 772542766889. The next prime is 772542766921. The reversal of 772542766896 is 698667245277.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a self number, because there is not a number n which added to its sum of digits gives 772542766896.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11252341 + ... + 11320788.

It is an arithmetic number, because the mean of its divisors is an integer number (26871053952).

Almost surely, 2^772542766896 is an apocalyptic number.

It is an amenable number.

772542766896 is an abundant number, since it is smaller than the sum of its proper divisors (1377141549264).

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

772542766896 is a wasteful number, since it uses less digits than its factorization.

772542766896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22573194 (or 22573188 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 69.

The spelling of 772542766896 in words is "seven hundred seventy-two billion, five hundred forty-two million, seven hundred sixty-six thousand, eight hundred ninety-six".