6397886797 has 8 divisors (see below), whose sum is σ = 6536904192. Its totient is φ = 6258990000.

The previous prime is 6397886791. The next prime is 6397886813. The reversal of 6397886797 is 7976887936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6397886797 - 2⁷ = 6397886669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397886791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81547 + ... + 139447.

It is an arithmetic number, because the mean of its divisors is an integer number (817113024).

Almost surely, 2^6397886797 is an apocalyptic number.

It is an amenable number.

6397886797 is a deficient number, since it is larger than the sum of its proper divisors (139017395).

6397886797 is a wasteful number, since it uses less digits than its factorization.

6397886797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60299.

The product of its digits is 192036096, while the sum is 70.

The square root of 6397886797 is about 79986.7913908290. The cubic root of 6397886797 is about 1856.4311647116.

The spelling of 6397886797 in words is "six billion, three hundred ninety-seven million, eight hundred eighty-six thousand, seven hundred ninety-seven".