85593874 has 4 divisors (see below), whose sum is σ = 128390814. Its totient is φ = 42796936.

The previous prime is 85593869. The next prime is 85593889. The reversal of 85593874 is 47839558.

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

It can be written as a sum of positive squares in only one way, i.e., 45360225 + 40233649 = 6735^2 + 6343^2 .

It is a super-2 number, since 2×85593874² = 14652622532655752, which contains 22 as substring.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21398467 + ... + 21398470.

Almost surely, 2^85593874 is an apocalyptic number.

85593874 is a deficient number, since it is larger than the sum of its proper divisors (42796940).

85593874 is a wasteful number, since it uses less digits than its factorization.

85593874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42796939.

The product of its digits is 1209600, while the sum is 49.

The square root of 85593874 is about 9251.6957364583. The cubic root of 85593874 is about 440.7045770732.

The spelling of 85593874 in words is "eighty-five million, five hundred ninety-three thousand, eight hundred seventy-four".