8119875840 has 288 divisors, whose sum is σ = 27390908160. Its totient is φ = 2045902848.

The previous prime is 8119875823. The next prime is 8119875887. The reversal of 8119875840 is 485789118.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7859964 + ... + 7860996.

It is an arithmetic number, because the mean of its divisors is an integer number (95107320).

Almost surely, 2^8119875840 is an apocalyptic number.

8119875840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8119875840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13695454080).

8119875840 is an abundant number, since it is smaller than the sum of its proper divisors (19271032320).

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

8119875840 is a wasteful number, since it uses less digits than its factorization.

8119875840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 51.

The square root of 8119875840 is about 90110.3536781429. The cubic root of 8119875840 is about 2009.9401680168.

The spelling of 8119875840 in words is "eight billion, one hundred nineteen million, eight hundred seventy-five thousand, eight hundred forty".