6859099884 has 96 divisors (see below), whose sum is σ = 19715705856. Its totient is φ = 1807361280.

The previous prime is 6859099853. The next prime is 6859099927. The reversal of 6859099884 is 4889909586.

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, 1647934 + ... + 1652090.

It is an arithmetic number, because the mean of its divisors is an integer number (205371936).

Almost surely, 2^6859099884 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 6859099884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9857852928).

6859099884 is an abundant number, since it is smaller than the sum of its proper divisors (12856605972).

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

6859099884 is a wasteful number, since it uses less digits than its factorization.

6859099884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 66.

The square root of 6859099884 is about 82819.6829503712. The cubic root of 6859099884 is about 1900.0092228546.

The spelling of 6859099884 in words is "six billion, eight hundred fifty-nine million, ninety-nine thousand, eight hundred eighty-four".