7934391108 has 144 divisors (see below), whose sum is σ = 24274897920. Its totient is φ = 2134579392.

The previous prime is 7934391061. The next prime is 7934391137. The reversal of 7934391108 is 8011934397.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 794635 + ... + 804557.

It is an arithmetic number, because the mean of its divisors is an integer number (168575680).

Almost surely, 2^7934391108 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 7934391108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12137448960).

7934391108 is an abundant number, since it is smaller than the sum of its proper divisors (16340506812).

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

7934391108 is a wasteful number, since it uses less digits than its factorization.

7934391108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126 (or 10121 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 7934391108 is about 89075.1991746300. The cubic root of 7934391108 is about 1994.5175775877.

The spelling of 7934391108 in words is "seven billion, nine hundred thirty-four million, three hundred ninety-one thousand, one hundred eight".