8113963000 has 256 divisors, whose sum is σ = 23285283840. Its totient is φ = 2604096000.

The previous prime is 8113962979. The next prime is 8113963009. The reversal of 8113963000 is 3693118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113963009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3287767 + ... + 3290233.

It is an arithmetic number, because the mean of its divisors is an integer number (90958140).

Almost surely, 2^8113963000 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 8113963000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11642641920).

8113963000 is an abundant number, since it is smaller than the sum of its proper divisors (15171320840).

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

8113963000 is a wasteful number, since it uses less digits than its factorization.

8113963000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 8113963000 is about 90077.5388207293. The cubic root of 8113963000 is about 2009.4521744911.

The spelling of 8113963000 in words is "eight billion, one hundred thirteen million, nine hundred sixty-three thousand".