8573879808 has 640 divisors, whose sum is σ = 30064742400. Its totient is φ = 2418647040.

The previous prime is 8573879791. The next prime is 8573879813. The reversal of 8573879808 is 8089783758.

It is a happy number.

It is a super-2 number, since 2×8573879808² (a number of 21 digits) contains 22 as substring.

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, 276576753 + ... + 276576783.

It is an arithmetic number, because the mean of its divisors is an integer number (46976160).

Almost surely, 2^8573879808 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 8573879808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15032371200).

8573879808 is an abundant number, since it is smaller than the sum of its proper divisors (21490862592).

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

8573879808 is an equidigital number, since it uses as much as digits as its factorization.

8573879808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The square root of 8573879808 is about 92595.2472214422. The cubic root of 8573879808 is about 2046.7232846696.

The spelling of 8573879808 in words is "eight billion, five hundred seventy-three million, eight hundred seventy-nine thousand, eight hundred eight".