8215606880 has 192 divisors, whose sum is σ = 21560370048. Its totient is φ = 2939535360.

The previous prime is 8215606871. The next prime is 8215606891. The reversal of 8215606880 is 886065128.

It is a congruent 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, 9261797 + ... + 9262683.

It is an arithmetic number, because the mean of its divisors is an integer number (112293594).

Almost surely, 2^8215606880 is an apocalyptic number.

8215606880 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 8215606880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10780185024).

8215606880 is an abundant number, since it is smaller than the sum of its proper divisors (13344763168).

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

8215606880 is a wasteful number, since it uses less digits than its factorization.

8215606880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 8215606880 is about 90639.9849955857. The cubic root of 8215606880 is about 2017.8082033179.

The spelling of 8215606880 in words is "eight billion, two hundred fifteen million, six hundred six thousand, eight hundred eighty".