77738616527316 has 24 divisors (see below), whose sum is σ = 184812560047584. Its totient is φ = 25423950059040.

The previous prime is 77738616527309. The next prime is 77738616527387. The reversal of 77738616527316 is 61372561683777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61115263930 + ... + 61115265201.

It is an arithmetic number, because the mean of its divisors is an integer number (7700523335316).

Almost surely, 2^{77738616527316} is an apocalyptic number.

It is an amenable number.

77738616527316 is an abundant number, since it is smaller than the sum of its proper divisors (107073943520268).

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

77738616527316 is a wasteful number, since it uses less digits than its factorization.

77738616527316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122230529191 (or 122230529189 counting only the distinct ones).

The product of its digits is 373403520, while the sum is 69.

The spelling of 77738616527316 in words is "seventy-seven trillion, seven hundred thirty-eight billion, six hundred sixteen million, five hundred twenty-seven thousand, three hundred sixteen".