77860852068192 has 48 divisors (see below), whose sum is σ = 206294874432192. Its totient is φ = 25711060181120.

The previous prime is 77860852068191. The next prime is 77860852068221. The reversal of 77860852068192 is 29186025806877.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77860852068191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3789945534 + ... + 3789966077.

It is an arithmetic number, because the mean of its divisors is an integer number (4297809884004).

Almost surely, 2^{77860852068192} is an apocalyptic number.

It is an amenable number.

77860852068192 is an abundant number, since it is smaller than the sum of its proper divisors (128434022364000).

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

77860852068192 is a wasteful number, since it uses less digits than its factorization.

77860852068192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579911731 (or 7579911723 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 77860852068192 in words is "seventy-seven trillion, eight hundred sixty billion, eight hundred fifty-two million, sixty-eight thousand, one hundred ninety-two".