85814500582 has 4 divisors (see below), whose sum is σ = 128721750876. Its totient is φ = 42907250290.

The previous prime is 85814500523. The next prime is 85814500643. The reversal of 85814500582 is 28500541858.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21453625144 + ... + 21453625147.

It is an arithmetic number, because the mean of its divisors is an integer number (32180437719).

Almost surely, 2^85814500582 is an apocalyptic number.

85814500582 is a deficient number, since it is larger than the sum of its proper divisors (42907250294).

85814500582 is a wasteful number, since it uses less digits than its factorization.

85814500582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42907250293.

The product of its (nonzero) digits is 512000, while the sum is 46.

The spelling of 85814500582 in words is "eighty-five billion, eight hundred fourteen million, five hundred thousand, five hundred eighty-two".