85759855 has 4 divisors (see below), whose sum is σ = 102911832. Its totient is φ = 68607880.

The previous prime is 85759853. The next prime is 85759867. The reversal of 85759855 is 55895758.

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

It is not a de Polignac number, because 85759855 - 2¹ = 85759853 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 (85759853) 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, 8575981 + ... + 8575990.

It is an arithmetic number, because the mean of its divisors is an integer number (25727958).

Almost surely, 2^85759855 is an apocalyptic number.

85759855 is a deficient number, since it is larger than the sum of its proper divisors (17151977).

85759855 is a wasteful number, since it uses less digits than its factorization.

85759855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17151976.

The product of its digits is 2520000, while the sum is 52.

The square root of 85759855 is about 9260.6616934213. The cubic root of 85759855 is about 440.9892600432.

The spelling of 85759855 in words is "eighty-five million, seven hundred fifty-nine thousand, eight hundred fifty-five".