85335828791 has 2 divisors, whose sum is σ = 85335828792. Its totient is φ = 85335828790.

The previous prime is 85335828769. The next prime is 85335828869. The reversal of 85335828791 is 19782853358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85335828791 - 2¹⁰ = 85335827767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85335828791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85335828701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42667914395 + 42667914396.

It is an arithmetic number, because the mean of its divisors is an integer number (42667914396).

Almost surely, 2^85335828791 is an apocalyptic number.

85335828791 is a deficient number, since it is larger than the sum of its proper divisors (1).

85335828791 is an equidigital number, since it uses as much as digits as its factorization.

85335828791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 59.

The spelling of 85335828791 in words is "eighty-five billion, three hundred thirty-five million, eight hundred twenty-eight thousand, seven hundred ninety-one".