8111793312 has 432 divisors, whose sum is σ = 28106507520. Its totient is φ = 2172718080.

The previous prime is 8111793307. The next prime is 8111793331. The reversal of 8111793312 is 2133971118.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102680889 + ... + 102680967.

It is an arithmetic number, because the mean of its divisors is an integer number (65061360).

Almost surely, 2^8111793312 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 8111793312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14053253760).

8111793312 is an abundant number, since it is smaller than the sum of its proper divisors (19994714208).

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

8111793312 is a wasteful number, since it uses less digits than its factorization.

8111793312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 175 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 8111793312 is about 90065.4945692300. The cubic root of 8111793312 is about 2009.2730481734.

The spelling of 8111793312 in words is "eight billion, one hundred eleven million, seven hundred ninety-three thousand, three hundred twelve".