8107834820 has 96 divisors (see below), whose sum is σ = 18421748352. Its totient is φ = 2986334208.

The previous prime is 8107834783. The next prime is 8107834841. The reversal of 8107834820 is 284387018.

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, 3575327 + ... + 3577593.

It is an arithmetic number, because the mean of its divisors is an integer number (191893212).

Almost surely, 2^8107834820 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 8107834820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9210874176).

8107834820 is an abundant number, since it is smaller than the sum of its proper divisors (10313913532).

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

8107834820 is a wasteful number, since it uses less digits than its factorization.

8107834820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 8107834820 is about 90043.5162574186. The cubic root of 8107834820 is about 2008.9461584582.

The spelling of 8107834820 in words is "eight billion, one hundred seven million, eight hundred thirty-four thousand, eight hundred twenty".