85744855 has 48 divisors (see below), whose sum is σ = 128203200. Its totient is φ = 55017984.

The previous prime is 85744849. The next prime is 85744903. The reversal of 85744855 is 55844758.

It is not a de Polignac number, because 85744855 - 2³ = 85744847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 495549 + ... + 495721.

It is an arithmetic number, because the mean of its divisors is an integer number (2670900).

Almost surely, 2^85744855 is an apocalyptic number.

85744855 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85744855 is a deficient number, since it is larger than the sum of its proper divisors (42458345).

85744855 is a wasteful number, since it uses less digits than its factorization.

85744855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 202 counting only the distinct ones).

The product of its digits is 896000, while the sum is 46.

The square root of 85744855 is about 9259.8517806712. The cubic root of 85744855 is about 440.9635478395.

The spelling of 85744855 in words is "eighty-five million, seven hundred forty-four thousand, eight hundred fifty-five".