8085978846 has 128 divisors (see below), whose sum is σ = 20926771200. Its totient is φ = 2288412000.

The previous prime is 8085978839. The next prime is 8085978881. The reversal of 8085978846 is 6488795808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 796261 + ... + 806351.

It is an arithmetic number, because the mean of its divisors is an integer number (163490400).

Almost surely, 2^8085978846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8085978846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10463385600).

8085978846 is an abundant number, since it is smaller than the sum of its proper divisors (12840792354).

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

8085978846 is a wasteful number, since it uses less digits than its factorization.

8085978846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203 (or 10197 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The square root of 8085978846 is about 89922.0709614720. The cubic root of 8085978846 is about 2007.1393880772.

The spelling of 8085978846 in words is "eight billion, eighty-five million, nine hundred seventy-eight thousand, eight hundred forty-six".