6857968208 has 80 divisors (see below), whose sum is σ = 16462446336. Its totient is φ = 2694988800.

The previous prime is 6857968207. The next prime is 6857968217. The reversal of 6857968208 is 8028697586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857968207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204260 + ... + 235452.

Almost surely, 2^6857968208 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 6857968208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8231223168).

6857968208 is an abundant number, since it is smaller than the sum of its proper divisors (9604478128).

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

6857968208 is a wasteful number, since it uses less digits than its factorization.

6857968208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31372 (or 31366 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The square root of 6857968208 is about 82812.8505003903. The cubic root of 6857968208 is about 1899.9047235696.

The spelling of 6857968208 in words is "six billion, eight hundred fifty-seven million, nine hundred sixty-eight thousand, two hundred eight".