6842771487 has 16 divisors (see below), whose sum is σ = 10143580000. Its totient is φ = 4559084352.

The previous prime is 6842771483. The next prime is 6842771569. The reversal of 6842771487 is 7841772486.

It is not a de Polignac number, because 6842771487 - 2² = 6842771483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842771483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30862 + ... + 120987.

It is an arithmetic number, because the mean of its divisors is an integer number (633973750).

Almost surely, 2^6842771487 is an apocalyptic number.

6842771487 is a deficient number, since it is larger than the sum of its proper divisors (3300808513).

6842771487 is a wasteful number, since it uses less digits than its factorization.

6842771487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153527 (or 153521 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 54.

The square root of 6842771487 is about 82721.0462155793. The cubic root of 6842771487 is about 1898.5003389814.

Subtracting 6842771487 from its reverse (7841772486), we obtain a palindrome (999000999).

The spelling of 6842771487 in words is "six billion, eight hundred forty-two million, seven hundred seventy-one thousand, four hundred eighty-seven".