6597784971 has 12 divisors (see below), whose sum is σ = 9540515920. Its totient is φ = 4393731600.

The previous prime is 6597784969. The next prime is 6597784987. The reversal of 6597784971 is 1794877956.

It is not a de Polignac number, because 6597784971 - 2¹ = 6597784969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6597784899 and 6597784908.

It is not an unprimeable number, because it can be changed into a prime (6597784951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390580 + ... + 407121.

Almost surely, 2^6597784971 is an apocalyptic number.

6597784971 is a deficient number, since it is larger than the sum of its proper divisors (2942730949).

6597784971 is a wasteful number, since it uses less digits than its factorization.

6597784971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798626 (or 798623 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The square root of 6597784971 is about 81226.7503412515. The cubic root of 6597784971 is about 1875.5675883792.

The spelling of 6597784971 in words is "six billion, five hundred ninety-seven million, seven hundred eighty-four thousand, nine hundred seventy-one".