85174268427599 has 4 divisors (see below), whose sum is σ = 91726135229736. Its totient is φ = 78622401625464.

The previous prime is 85174268427509. The next prime is 85174268427653. The reversal of 85174268427599 is 99572486247158.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85174268427599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85174268427509) 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, 3275933401049 + ... + 3275933401074.

It is an arithmetic number, because the mean of its divisors is an integer number (22931533807434).

Almost surely, 2^{85174268427599} is an apocalyptic number.

85174268427599 is a deficient number, since it is larger than the sum of its proper divisors (6551866802137).

85174268427599 is a wasteful number, since it uses less digits than its factorization.

85174268427599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551866802136.

The product of its digits is 2438553600, while the sum is 77.

The spelling of 85174268427599 in words is "eighty-five trillion, one hundred seventy-four billion, two hundred sixty-eight million, four hundred twenty-seven thousand, five hundred ninety-nine".