85214299 has 2 divisors, whose sum is σ = 85214300. Its totient is φ = 85214298.

The previous prime is 85214291. The next prime is 85214309. The reversal of 85214299 is 99241258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85214299 - 2³ = 85214291 is a prime.

It is a super-2 number, since 2×85214299² = 14522953508122802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85214291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42607149 + 42607150.

It is an arithmetic number, because the mean of its divisors is an integer number (42607150).

Almost surely, 2^85214299 is an apocalyptic number.

85214299 is a deficient number, since it is larger than the sum of its proper divisors (1).

85214299 is an equidigital number, since it uses as much as digits as its factorization.

85214299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 85214299 is about 9231.1591363165. The cubic root of 85214299 is about 440.0521615158.

It can be divided in two parts, 852 and 14299, that added together give a palindrome (15151).

The spelling of 85214299 in words is "eighty-five million, two hundred fourteen thousand, two hundred ninety-nine".