85493719 has 2 divisors, whose sum is σ = 85493720. Its totient is φ = 85493718.

The previous prime is 85493713. The next prime is 85493729. The reversal of 85493719 is 91739458.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85493719 - 2⁹ = 85493207 is a prime.

It is a super-2 number, since 2×85493719² = 14618351976901922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85493713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42746859 + 42746860.

It is an arithmetic number, because the mean of its divisors is an integer number (42746860).

Almost surely, 2^85493719 is an apocalyptic number.

85493719 is a deficient number, since it is larger than the sum of its proper divisors (1).

85493719 is an equidigital number, since it uses as much as digits as its factorization.

85493719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 85493719 is about 9246.2813606336. The cubic root of 85493719 is about 440.5326177498.

The spelling of 85493719 in words is "eighty-five million, four hundred ninety-three thousand, seven hundred nineteen".