77313836112 has 80 divisors (see below), whose sum is σ = 202880175552. Its totient is φ = 25367546880.

The previous prime is 77313836107. The next prime is 77313836113. The reversal of 77313836112 is 21163831377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77313836113) 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, 758412 + ... + 854292.

Almost surely, 2^77313836112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77313836112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101440087776).

77313836112 is an abundant number, since it is smaller than the sum of its proper divisors (125566339440).

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

77313836112 is a wasteful number, since it uses less digits than its factorization.

77313836112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96156 (or 96150 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The spelling of 77313836112 in words is "seventy-seven billion, three hundred thirteen million, eight hundred thirty-six thousand, one hundred twelve".