77860885622688 has 96 divisors (see below), whose sum is σ = 259536285429120. Its totient is φ = 22245967319040.

The previous prime is 77860885622687. The next prime is 77860885622711. The reversal of 77860885622688 is 88622658806877.

77860885622688 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (77860885622687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6436905793 + ... + 6436917888.

It is an arithmetic number, because the mean of its divisors is an integer number (2703502973220).

Almost surely, 2^{77860885622688} is an apocalyptic number.

It is an amenable number.

77860885622688 is an abundant number, since it is smaller than the sum of its proper divisors (181675399806432).

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

77860885622688 is a wasteful number, since it uses less digits than its factorization.

77860885622688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873823707 (or 12873823693 counting only the distinct ones).

The product of its (nonzero) digits is 6936330240, while the sum is 81.

The spelling of 77860885622688 in words is "seventy-seven trillion, eight hundred sixty billion, eight hundred eighty-five million, six hundred twenty-two thousand, six hundred eighty-eight".