6857190872 has 64 divisors (see below), whose sum is σ = 14968800000. Its totient is φ = 2884346496.

The previous prime is 6857190829. The next prime is 6857190929. The reversal of 6857190872 is 2780917586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647879 + ... + 658377.

It is an arithmetic number, because the mean of its divisors is an integer number (233887500).

Almost surely, 2^6857190872 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 6857190872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7484400000).

6857190872 is an abundant number, since it is smaller than the sum of its proper divisors (8111609128).

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

6857190872 is a wasteful number, since it uses less digits than its factorization.

6857190872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728 (or 10724 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 6857190872 is about 82808.1570378184. The cubic root of 6857190872 is about 1899.8329374809.

The spelling of 6857190872 in words is "six billion, eight hundred fifty-seven million, one hundred ninety thousand, eight hundred seventy-two".