85272239719 has 2 divisors, whose sum is σ = 85272239720. Its totient is φ = 85272239718.

The previous prime is 85272239687. The next prime is 85272239753. The reversal of 85272239719 is 91793227258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85272239719 - 2⁵ = 85272239687 is a prime.

It is a super-2 number, since 2×85272239719² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85272239719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85272239219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42636119859 + 42636119860.

It is an arithmetic number, because the mean of its divisors is an integer number (42636119860).

Almost surely, 2^85272239719 is an apocalyptic number.

85272239719 is a deficient number, since it is larger than the sum of its proper divisors (1).

85272239719 is an equidigital number, since it uses as much as digits as its factorization.

85272239719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 55.

The spelling of 85272239719 in words is "eighty-five billion, two hundred seventy-two million, two hundred thirty-nine thousand, seven hundred nineteen".