8133972860 has 96 divisors (see below), whose sum is σ = 18749617152. Its totient is φ = 2945859840.

The previous prime is 8133972853. The next prime is 8133972863. The reversal of 8133972860 is 682793318.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133972863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4719959 + ... + 4721681.

It is an arithmetic number, because the mean of its divisors is an integer number (195308512).

Almost surely, 2^8133972860 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 8133972860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9374808576).

8133972860 is an abundant number, since it is smaller than the sum of its proper divisors (10615644292).

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

8133972860 is a wasteful number, since it uses less digits than its factorization.

8133972860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 8133972860 is about 90188.5406246270. The cubic root of 8133972860 is about 2011.1026564587.

The spelling of 8133972860 in words is "eight billion, one hundred thirty-three million, nine hundred seventy-two thousand, eight hundred sixty".