6397797318 has 24 divisors (see below), whose sum is σ = 14064580824. Its totient is φ = 1938726240.

The previous prime is 6397797229. The next prime is 6397797319. The reversal of 6397797318 is 8137977936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397797319) 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 11 ways as a sum of consecutive naturals, for example, 4405471 + ... + 4406922.

It is an arithmetic number, because the mean of its divisors is an integer number (586024201).

Almost surely, 2^6397797318 is an apocalyptic number.

6397797318 is an abundant number, since it is smaller than the sum of its proper divisors (7666783506).

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

6397797318 is a wasteful number, since it uses less digits than its factorization.

6397797318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812420 (or 8812409 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 60.

The square root of 6397797318 is about 79986.2320527727. The cubic root of 6397797318 is about 1856.4225101676.

The spelling of 6397797318 in words is "six billion, three hundred ninety-seven million, seven hundred ninety-seven thousand, three hundred eighteen".