9931677912 has 192 divisors, whose sum is σ = 30076824960. Its totient is φ = 2941056000.

The previous prime is 9931677883. The next prime is 9931677913. The reversal of 9931677912 is 2197761399.

It is a happy number.

It is a super-2 number, since 2×9931677912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9931677913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2681662 + ... + 2685362.

It is an arithmetic number, because the mean of its divisors is an integer number (156650130).

Almost surely, 2^9931677912 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 9931677912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15038412480).

9931677912 is an abundant number, since it is smaller than the sum of its proper divisors (20145147048).

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

9931677912 is a wasteful number, since it uses less digits than its factorization.

9931677912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834 (or 3827 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 9931677912 is about 99657.8040697265. The cubic root of 9931677912 is about 2149.5169574280.

The spelling of 9931677912 in words is "nine billion, nine hundred thirty-one million, six hundred seventy-seven thousand, nine hundred twelve".