85680299 has 2 divisors, whose sum is σ = 85680300. Its totient is φ = 85680298.

The previous prime is 85680251. The next prime is 85680347. The reversal of 85680299 is 99208658.

It is a balanced prime because it is at equal distance from previous prime (85680251) and next prime (85680347).

It is a cyclic number.

It is not a de Polignac number, because 85680299 - 2⁸ = 85680043 is a prime.

It is a super-2 number, since 2×85680299² = 14682227273458802, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85610299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42840149 + 42840150.

It is an arithmetic number, because the mean of its divisors is an integer number (42840150).

Almost surely, 2^85680299 is an apocalyptic number.

85680299 is a deficient number, since it is larger than the sum of its proper divisors (1).

85680299 is an equidigital number, since it uses as much as digits as its factorization.

85680299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 85680299 is about 9256.3653233869. The cubic root of 85680299 is about 440.8528551343.

The spelling of 85680299 in words is "eighty-five million, six hundred eighty thousand, two hundred ninety-nine".