6397368578 has 12 divisors (see below), whose sum is σ = 9729322578. Its totient is φ = 3154861440.

The previous prime is 6397368547. The next prime is 6397368589. The reversal of 6397368578 is 8758637936.

It can be written as a sum of positive squares in 3 ways, for example, as 4205911609 + 2191456969 = 64853^2 + 46813^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6397368578.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289463 + ... + 310778.

Almost surely, 2^6397368578 is an apocalyptic number.

6397368578 is a deficient number, since it is larger than the sum of its proper divisors (3331954000).

6397368578 is an equidigital number, since it uses as much as digits as its factorization.

6397368578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600389 (or 600316 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The square root of 6397368578 is about 79983.5519216295. The cubic root of 6397368578 is about 1856.3810406676.

The spelling of 6397368578 in words is "six billion, three hundred ninety-seven million, three hundred sixty-eight thousand, five hundred seventy-eight".