85177359 has 8 divisors (see below), whose sum is σ = 126188720. Its totient is φ = 56784888.

The previous prime is 85177357. The next prime is 85177381. The reversal of 85177359 is 95377158.

It is not a de Polignac number, because 85177359 - 2¹ = 85177357 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 (85177357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577332 + ... + 1577385.

It is an arithmetic number, because the mean of its divisors is an integer number (15773590).

Almost surely, 2^85177359 is an apocalyptic number.

85177359 is a deficient number, since it is larger than the sum of its proper divisors (41011361).

85177359 is a wasteful number, since it uses less digits than its factorization.

85177359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154726 (or 3154720 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 85177359 is about 9229.1580872797. The cubic root of 85177359 is about 439.9885654742.

It can be divided in two parts, 8517 and 7359, that added together give a square (15876 = 126²).

The spelling of 85177359 in words is "eighty-five million, one hundred seventy-seven thousand, three hundred fifty-nine".