85255842899 has 2 divisors, whose sum is σ = 85255842900. Its totient is φ = 85255842898.

The previous prime is 85255842851. The next prime is 85255842901. The reversal of 85255842899 is 99824855258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85255842899 - 2⁸ = 85255842643 is a prime.

Together with 85255842901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85255842839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42627921449 + 42627921450.

It is an arithmetic number, because the mean of its divisors is an integer number (42627921450).

Almost surely, 2^85255842899 is an apocalyptic number.

85255842899 is a deficient number, since it is larger than the sum of its proper divisors (1).

85255842899 is an equidigital number, since it uses as much as digits as its factorization.

85255842899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944000, while the sum is 65.

The spelling of 85255842899 in words is "eighty-five billion, two hundred fifty-five million, eight hundred forty-two thousand, eight hundred ninety-nine".