85755738 has 16 divisors (see below), whose sum is σ = 171640800. Its totient is φ = 28563696.

The previous prime is 85755737. The next prime is 85755739. The reversal of 85755738 is 83755758.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85755737) and next prime (85755739).

It is not an unprimeable number, because it can be changed into a prime (85755731) 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, 4681 + ... + 13907.

It is an arithmetic number, because the mean of its divisors is an integer number (10727550).

Almost surely, 2^85755738 is an apocalyptic number.

85755738 is an abundant number, since it is smaller than the sum of its proper divisors (85885062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85755738 is a wasteful number, since it uses less digits than its factorization.

85755738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10781.

The product of its digits is 1176000, while the sum is 48.

The square root of 85755738 is about 9260.4394064213. The cubic root of 85755738 is about 440.9822031989.

The spelling of 85755738 in words is "eighty-five million, seven hundred fifty-five thousand, seven hundred thirty-eight".