6397747476 has 24 divisors (see below), whose sum is σ = 14935406304. Its totient is φ = 2131535520.

The previous prime is 6397747471. The next prime is 6397747483. The reversal of 6397747476 is 6747477936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397747471) by changing a digit.

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, 105210 + ... + 154481.

It is an arithmetic number, because the mean of its divisors is an integer number (622308596).

Almost surely, 2^6397747476 is an apocalyptic number.

It is an amenable number.

6397747476 is an abundant number, since it is smaller than the sum of its proper divisors (8537658828).

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

6397747476 is a wasteful number, since it uses less digits than its factorization.

6397747476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261751 (or 261749 counting only the distinct ones).

The product of its digits is 37340352, while the sum is 60.

The square root of 6397747476 is about 79985.9204860455. The cubic root of 6397747476 is about 1856.4176893391.

The spelling of 6397747476 in words is "six billion, three hundred ninety-seven million, seven hundred forty-seven thousand, four hundred seventy-six".