316739977728 has 80 divisors (see below), whose sum is σ = 844087808256. Its totient is φ = 105545871360.

The previous prime is 316739977727. The next prime is 316739977739. The reversal of 316739977728 is 827779937613.

It is a super-2 number, since 2×316739977728² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316739977727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964913 + ... + 5028303.

Almost surely, 2^316739977728 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 316739977728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422043904128).

316739977728 is an abundant number, since it is smaller than the sum of its proper divisors (527347830528).

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

316739977728 is an equidigital number, since it uses as much as digits as its factorization.

316739977728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66665 (or 66649 counting only the distinct ones).

The product of its digits is 168031584, while the sum is 69.

The spelling of 316739977728 in words is "three hundred sixteen billion, seven hundred thirty-nine million, nine hundred seventy-seven thousand, seven hundred twenty-eight".