85527272279 has 2 divisors, whose sum is σ = 85527272280. Its totient is φ = 85527272278.

The previous prime is 85527272273. The next prime is 85527272293. The reversal of 85527272279 is 97227272558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85527272279 - 2⁸ = 85527272023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85527272273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42763636139 + 42763636140.

It is an arithmetic number, because the mean of its divisors is an integer number (42763636140).

Almost surely, 2^85527272279 is an apocalyptic number.

85527272279 is a deficient number, since it is larger than the sum of its proper divisors (1).

85527272279 is an equidigital number, since it uses as much as digits as its factorization.

85527272279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9878400, while the sum is 56.

The spelling of 85527272279 in words is "eighty-five billion, five hundred twenty-seven million, two hundred seventy-two thousand, two hundred seventy-nine".