6597678767956 has 12 divisors (see below), whose sum is σ = 11551973371092. Its totient is φ = 3297114947648.

The previous prime is 6597678767941. The next prime is 6597678767957.

6597678767956 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 3796005375556 + 2801673392400 = 1948334^2 + 1673820^2 .

It is a super-3 number, since 3×6597678767956³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6597678767957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431100475 + ... + 431115778.

It is an arithmetic number, because the mean of its divisors is an integer number (962664447591).

Almost surely, 2^{6597678767956} is an apocalyptic number.

It is an amenable number.

6597678767956 is a deficient number, since it is larger than the sum of its proper divisors (4954294603136).

6597678767956 is a wasteful number, since it uses less digits than its factorization.

6597678767956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862218170 (or 862218168 counting only the distinct ones).

The product of its digits is 50409475200, while the sum is 88.

The spelling of 6597678767956 in words is "six trillion, five hundred ninety-seven billion, six hundred seventy-eight million, seven hundred sixty-seven thousand, nine hundred fifty-six".