85804574 has 4 divisors (see below), whose sum is σ = 128706864. Its totient is φ = 42902286.

The previous prime is 85804573. The next prime is 85804577. The reversal of 85804574 is 47540858.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85804571) 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 as a sum of consecutive naturals, namely, 21451142 + ... + 21451145.

It is an arithmetic number, because the mean of its divisors is an integer number (32176716).

Almost surely, 2^85804574 is an apocalyptic number.

85804574 is a deficient number, since it is larger than the sum of its proper divisors (42902290).

85804574 is a wasteful number, since it uses less digits than its factorization.

85804574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42902289.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 85804574 is about 9263.0758390504. The cubic root of 85804574 is about 441.0658971908.

The spelling of 85804574 in words is "eighty-five million, eight hundred four thousand, five hundred seventy-four".