77045716427736 has 64 divisors (see below), whose sum is σ = 220537514407680. Its totient is φ = 21972372232320.

The previous prime is 77045716427639. The next prime is 77045716427747. The reversal of 77045716427736 is 63772461754077.

It is a congruent number.

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, 423758886 + ... + 423940661.

It is an arithmetic number, because the mean of its divisors is an integer number (3445898662620).

Almost surely, 2^{77045716427736} is an apocalyptic number.

It is an amenable number.

77045716427736 is an abundant number, since it is smaller than the sum of its proper divisors (143491797979944).

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

77045716427736 is a wasteful number, since it uses less digits than its factorization.

77045716427736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847700104 (or 847700100 counting only the distinct ones).

The product of its (nonzero) digits is 290424960, while the sum is 66.

The spelling of 77045716427736 in words is "seventy-seven trillion, forty-five billion, seven hundred sixteen million, four hundred twenty-seven thousand, seven hundred thirty-six".