85252877825259 has 4 divisors (see below), whose sum is σ = 113670503767016. Its totient is φ = 56835251883504.

The previous prime is 85252877825207. The next prime is 85252877825261. The reversal of 85252877825259 is 95252877825258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85252877825259 - 2¹⁹ = 85252877300971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85252877825299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14208812970874 + ... + 14208812970879.

It is an arithmetic number, because the mean of its divisors is an integer number (28417625941754).

Almost surely, 2^{85252877825259} is an apocalyptic number.

85252877825259 is a deficient number, since it is larger than the sum of its proper divisors (28417625941757).

85252877825259 is a wasteful number, since it uses less digits than its factorization.

85252877825259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28417625941756.

The product of its digits is 2257920000, while the sum is 75.

Subtracting 85252877825259 from its reverse (95252877825258), we obtain a palindrome (9999999999999).

The spelling of 85252877825259 in words is "eighty-five trillion, two hundred fifty-two billion, eight hundred seventy-seven million, eight hundred twenty-five thousand, two hundred fifty-nine".