85160399 has 2 divisors, whose sum is σ = 85160400. Its totient is φ = 85160398.

The previous prime is 85160389. The next prime is 85160419. The reversal of 85160399 is 99306158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85160399 - 2²⁰ = 84111823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85160359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42580199 + 42580200.

It is an arithmetic number, because the mean of its divisors is an integer number (42580200).

Almost surely, 2^85160399 is an apocalyptic number.

85160399 is a deficient number, since it is larger than the sum of its proper divisors (1).

85160399 is an equidigital number, since it uses as much as digits as its factorization.

85160399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 85160399 is about 9228.2392144981. The cubic root of 85160399 is about 439.9593609160.

The spelling of 85160399 in words is "eighty-five million, one hundred sixty thousand, three hundred ninety-nine".