777852448072 has 16 divisors (see below), whose sum is σ = 1666826674560. Its totient is φ = 333365334864.

The previous prime is 777852448039. The next prime is 777852448081. The reversal of 777852448072 is 270844258777.

It is a self number, because there is not a number n which added to its sum of digits gives 777852448072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6945111088 + ... + 6945111199.

It is an arithmetic number, because the mean of its divisors is an integer number (104176667160).

Almost surely, 2^777852448072 is an apocalyptic number.

It is an amenable number.

777852448072 is an abundant number, since it is smaller than the sum of its proper divisors (888974226488).

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

777852448072 is a wasteful number, since it uses less digits than its factorization.

777852448072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890222300 (or 13890222296 counting only the distinct ones).

The product of its (nonzero) digits is 49172480, while the sum is 61.

The spelling of 777852448072 in words is "seven hundred seventy-seven billion, eight hundred fifty-two million, four hundred forty-eight thousand, seventy-two".