6278841287 has 2 divisors, whose sum is σ = 6278841288. Its totient is φ = 6278841286.

The previous prime is 6278841253. The next prime is 6278841307. The reversal of 6278841287 is 7821488726.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6278841287 - 2⁸ = 6278841031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6278841227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139420643 + 3139420644.

It is an arithmetic number, because the mean of its divisors is an integer number (3139420644).

Almost surely, 2^6278841287 is an apocalyptic number.

6278841287 is a deficient number, since it is larger than the sum of its proper divisors (1).

6278841287 is an equidigital number, since it uses as much as digits as its factorization.

6278841287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 53.

The square root of 6278841287 is about 79239.1398678709. The cubic root of 6278841287 is about 1844.8447943902.

The spelling of 6278841287 in words is "six billion, two hundred seventy-eight million, eight hundred forty-one thousand, two hundred eighty-seven".