85177255 has 4 divisors (see below), whose sum is σ = 102212712. Its totient is φ = 68141800.

The previous prime is 85177241. The next prime is 85177271. The reversal of 85177255 is 55277158.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55277158 = 2 ⋅27638579.

It is not a de Polignac number, because 85177255 - 2⁹ = 85176743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8517721 + ... + 8517730.

It is an arithmetic number, because the mean of its divisors is an integer number (25553178).

Almost surely, 2^85177255 is an apocalyptic number.

85177255 is a deficient number, since it is larger than the sum of its proper divisors (17035457).

85177255 is a wasteful number, since it uses less digits than its factorization.

85177255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035456.

The product of its digits is 98000, while the sum is 40.

The square root of 85177255 is about 9229.1524529612. The cubic root of 85177255 is about 439.9883864015.

The spelling of 85177255 in words is "eighty-five million, one hundred seventy-seven thousand, two hundred fifty-five".