6397085880 has 48 divisors (see below), whose sum is σ = 20790530280. Its totient is φ = 1705889472.

The previous prime is 6397085869. The next prime is 6397085897. The reversal of 6397085880 is 885807936.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8884482 + ... + 8885201.

Almost surely, 2^6397085880 is an apocalyptic number.

6397085880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6397085880 is an abundant number, since it is smaller than the sum of its proper divisors (14393444400).

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

6397085880 is a wasteful number, since it uses less digits than its factorization.

6397085880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17769700 (or 17769693 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 6397085880 is about 79981.7846762624. The cubic root of 6397085880 is about 1856.3536959382.

The spelling of 6397085880 in words is "six billion, three hundred ninety-seven million, eighty-five thousand, eight hundred eighty".