855594794699 has 2 divisors, whose sum is σ = 855594794700. Its totient is φ = 855594794698.

The previous prime is 855594794687. The next prime is 855594794729. The reversal of 855594794699 is 996497495558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 855594794699 - 2⁴ = 855594794683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (855594794669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427797397349 + 427797397350.

It is an arithmetic number, because the mean of its divisors is an integer number (427797397350).

Almost surely, 2^855594794699 is an apocalyptic number.

855594794699 is a deficient number, since it is larger than the sum of its proper divisors (1).

855594794699 is an equidigital number, since it uses as much as digits as its factorization.

855594794699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992000, while the sum is 80.

The spelling of 855594794699 in words is "eight hundred fifty-five billion, five hundred ninety-four million, seven hundred ninety-four thousand, six hundred ninety-nine".