6888976290 has 160 divisors (see below), whose sum is σ = 21529791360. Its totient is φ = 1547859456.

The previous prime is 6888976273. The next prime is 6888976309. The reversal of 6888976290 is 926798886.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 324234 + ... + 344826.

It is an arithmetic number, because the mean of its divisors is an integer number (134561196).

Almost surely, 2^6888976290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6888976290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10764895680).

6888976290 is an abundant number, since it is smaller than the sum of its proper divisors (14640815070).

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

6888976290 is a wasteful number, since it uses less digits than its factorization.

6888976290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20678 (or 20669 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 6888976290 is about 82999.8571685518. The cubic root of 6888976290 is about 1902.7638713456.

The spelling of 6888976290 in words is "six billion, eight hundred eighty-eight million, nine hundred seventy-six thousand, two hundred ninety".