6842898787 has 2 divisors, whose sum is σ = 6842898788. Its totient is φ = 6842898786.

The previous prime is 6842898763. The next prime is 6842898791. The reversal of 6842898787 is 7878982486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6842898787 - 2¹⁹ = 6842374499 is a prime.

It is not a weakly prime, because it can be changed into another prime (6842898707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421449393 + 3421449394.

It is an arithmetic number, because the mean of its divisors is an integer number (3421449394).

Almost surely, 2^6842898787 is an apocalyptic number.

6842898787 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842898787 is an equidigital number, since it uses as much as digits as its factorization.

6842898787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86704128, while the sum is 67.

The square root of 6842898787 is about 82721.8156655184. The cubic root of 6842898787 is about 1898.5121118717.

The spelling of 6842898787 in words is "six billion, eight hundred forty-two million, eight hundred ninety-eight thousand, seven hundred eighty-seven".