6397085879 has 8 divisors (see below), whose sum is σ = 6604392960. Its totient is φ = 6189838200.

The previous prime is 6397085869. The next prime is 6397085897. The reversal of 6397085879 is 9785807936.

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

It is a de Polignac number, because none of the positive numbers 2^k-6397085879 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 (6397085819) 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, 335792 + ... + 354330.

It is an arithmetic number, because the mean of its divisors is an integer number (825549120).

Almost surely, 2^6397085879 is an apocalyptic number.

6397085879 is a deficient number, since it is larger than the sum of its proper divisors (207307081).

6397085879 is a wasteful number, since it uses less digits than its factorization.

6397085879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29701.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The square root of 6397085879 is about 79981.7846700110. The cubic root of 6397085879 is about 1856.3536958415.

The spelling of 6397085879 in words is "six billion, three hundred ninety-seven million, eighty-five thousand, eight hundred seventy-nine".