6397797228 has 24 divisors (see below), whose sum is σ = 14963664240. Its totient is φ = 2127531840.

The previous prime is 6397797223. The next prime is 6397797229. The reversal of 6397797228 is 8227977936.

It is a super-3 number, since 3×6397797228³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6397797223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628143 + ... + 638246.

It is an arithmetic number, because the mean of its divisors is an integer number (623486010).

Almost surely, 2^6397797228 is an apocalyptic number.

It is an amenable number.

6397797228 is an abundant number, since it is smaller than the sum of its proper divisors (8565867012).

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

6397797228 is a wasteful number, since it uses less digits than its factorization.

6397797228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266817 (or 1266815 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 60.

The square root of 6397797228 is about 79986.2314901759. The cubic root of 6397797228 is about 1856.4225014626.

The spelling of 6397797228 in words is "six billion, three hundred ninety-seven million, seven hundred ninety-seven thousand, two hundred twenty-eight".