77835716013 has 32 divisors (see below), whose sum is σ = 114783298560. Its totient is φ = 46521971840.

The previous prime is 77835715999. The next prime is 77835716029. The reversal of 77835716013 is 31061753877.

It is a cyclic number.

It is not a de Polignac number, because 77835716013 - 2⁵ = 77835715981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77835716053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533520 + ... + 1583462.

It is an arithmetic number, because the mean of its divisors is an integer number (3586978080).

Almost surely, 2^77835716013 is an apocalyptic number.

It is an amenable number.

77835716013 is a deficient number, since it is larger than the sum of its proper divisors (36947582547).

77835716013 is a wasteful number, since it uses less digits than its factorization.

77835716013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50609.

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 77835716013 in words is "seventy-seven billion, eight hundred thirty-five million, seven hundred sixteen thousand, thirteen".