6797945856 has 528 divisors, whose sum is σ = 22522895360. Its totient is φ = 1804861440.

The previous prime is 6797945821. The next prime is 6797945857. The reversal of 6797945856 is 6585497976.

It is a super-2 number, since 2×6797945856² = 92424135722215145472, which contains 22 as substring.

Its product of digits (114307200) is a multiple of the sum of its prime factors (120).

It is not an unprimeable number, because it can be changed into a prime (6797945857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219288561 + ... + 219288591.

Almost surely, 2^6797945856 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 6797945856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11261447680).

6797945856 is an abundant number, since it is smaller than the sum of its proper divisors (15724949504).

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

6797945856 is a wasteful number, since it uses less digits than its factorization.

6797945856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 85 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 66.

The square root of 6797945856 is about 82449.6564941298. The cubic root of 6797945856 is about 1894.3456879669.

The spelling of 6797945856 in words is "six billion, seven hundred ninety-seven million, nine hundred forty-five thousand, eight hundred fifty-six".