85270253599 has 4 divisors (see below), whose sum is σ = 86297606136. Its totient is φ = 84242901064.

The previous prime is 85270253597. The next prime is 85270253611. The reversal of 85270253599 is 99535207258.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85270253599 - 2¹ = 85270253597 is a prime.

It is a super-2 number, since 2×85270253599² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85270253591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513676144 + ... + 513676309.

It is an arithmetic number, because the mean of its divisors is an integer number (21574401534).

Almost surely, 2^85270253599 is an apocalyptic number.

85270253599 is a deficient number, since it is larger than the sum of its proper divisors (1027352537).

85270253599 is a wasteful number, since it uses less digits than its factorization.

85270253599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027352536.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 85270253599 in words is "eighty-five billion, two hundred seventy million, two hundred fifty-three thousand, five hundred ninety-nine".