77764011580716 has 12 divisors (see below), whose sum is σ = 181449360355032. Its totient is φ = 25921337193568.

The previous prime is 77764011580669. The next prime is 77764011580781. The reversal of 77764011580716 is 61708511046777.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 77764011580716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3240167149185 + ... + 3240167149208.

It is an arithmetic number, because the mean of its divisors is an integer number (15120780029586).

Almost surely, 2^{77764011580716} is an apocalyptic number.

It is an amenable number.

77764011580716 is an abundant number, since it is smaller than the sum of its proper divisors (103685348774316).

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

77764011580716 is a wasteful number, since it uses less digits than its factorization.

77764011580716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480334298400 (or 6480334298398 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 60.

The spelling of 77764011580716 in words is "seventy-seven trillion, seven hundred sixty-four billion, eleven million, five hundred eighty thousand, seven hundred sixteen".