6397786752 has 64 divisors (see below), whose sum is σ = 19421860800. Its totient is φ = 1827938304.

The previous prime is 6397786711. The next prime is 6397786763. The reversal of 6397786752 is 2576877936.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187377 + ... + 1192752.

It is an arithmetic number, because the mean of its divisors is an integer number (303466575).

Almost surely, 2^6397786752 is an apocalyptic number.

It is an amenable number.

6397786752 is an abundant number, since it is smaller than the sum of its proper divisors (13024074048).

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

6397786752 is a wasteful number, since it uses less digits than its factorization.

6397786752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380153 (or 2380141 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 60.

The square root of 6397786752 is about 79986.1660038784. The cubic root of 6397786752 is about 1856.4214882028.

The spelling of 6397786752 in words is "six billion, three hundred ninety-seven million, seven hundred eighty-six thousand, seven hundred fifty-two".