6756879872 has 40 divisors (see below), whose sum is σ = 13536205056. Its totient is φ = 3369521152.

The previous prime is 6756879869. The next prime is 6756879881. The reversal of 6756879872 is 2789786576.

It is a junction number, because it is equal to n+sod(n) for n = 6756879799 and 6756879808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178868 + ... + 213324.

Almost surely, 2^6756879872 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 6756879872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6768102528).

6756879872 is an abundant number, since it is smaller than the sum of its proper divisors (6779325184).

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

6756879872 is an equidigital number, since it uses as much as digits as its factorization.

6756879872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34858 (or 34842 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 65.

The square root of 6756879872 is about 82200.2425300558. The cubic root of 6756879872 is about 1890.5234379729.

The spelling of 6756879872 in words is "six billion, seven hundred fifty-six million, eight hundred seventy-nine thousand, eight hundred seventy-two".