85944955 has 4 divisors (see below), whose sum is σ = 103133952. Its totient is φ = 68755960.

The previous prime is 85944953. The next prime is 85944967. The reversal of 85944955 is 55944958.

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

It is not a de Polignac number, because 85944955 - 2¹ = 85944953 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85944899 and 85944908.

It is not an unprimeable number, because it can be changed into a prime (85944953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8594491 + ... + 8594500.

It is an arithmetic number, because the mean of its divisors is an integer number (25783488).

Almost surely, 2^85944955 is an apocalyptic number.

85944955 is a deficient number, since it is larger than the sum of its proper divisors (17188997).

85944955 is a wasteful number, since it uses less digits than its factorization.

85944955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17188996.

The product of its digits is 1296000, while the sum is 49.

The square root of 85944955 is about 9270.6501929476. The cubic root of 85944955 is about 441.3063021513.

The spelling of 85944955 in words is "eighty-five million, nine hundred forty-four thousand, nine hundred fifty-five".