85795399 has 2 divisors, whose sum is σ = 85795400. Its totient is φ = 85795398.

The previous prime is 85795397. The next prime is 85795417. The reversal of 85795399 is 99359758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85795399 - 2¹ = 85795397 is a prime.

Together with 85795397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85795397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42897699 + 42897700.

It is an arithmetic number, because the mean of its divisors is an integer number (42897700).

Almost surely, 2^85795399 is an apocalyptic number.

85795399 is a deficient number, since it is larger than the sum of its proper divisors (1).

85795399 is an equidigital number, since it uses as much as digits as its factorization.

85795399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 55.

The square root of 85795399 is about 9262.5805799464. The cubic root of 85795399 is about 441.0501757140.

The spelling of 85795399 in words is "eighty-five million, seven hundred ninety-five thousand, three hundred ninety-nine".