6842232679787 has 2 divisors, whose sum is σ = 6842232679788. Its totient is φ = 6842232679786.

The previous prime is 6842232679781. The next prime is 6842232679801. The reversal of 6842232679787 is 7879762322486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6842232679787 - 2¹⁰ = 6842232678763 is a prime.

It is a super-2 number, since 2×6842232679787² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6842232679787.

It is not a weakly prime, because it can be changed into another prime (6842232679781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421116339893 + 3421116339894.

It is an arithmetic number, because the mean of its divisors is an integer number (3421116339894).

Almost surely, 2^{6842232679787} is an apocalyptic number.

6842232679787 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842232679787 is an equidigital number, since it uses as much as digits as its factorization.

6842232679787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 682795008, while the sum is 71.

The spelling of 6842232679787 in words is "six trillion, eight hundred forty-two billion, two hundred thirty-two million, six hundred seventy-nine thousand, seven hundred eighty-seven".