85174382586 has 32 divisors (see below), whose sum is σ = 171943485120. Its totient is φ = 28125771264.

The previous prime is 85174382509. The next prime is 85174382591. The reversal of 85174382586 is 68528347158.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5304426 + ... + 5320458.

It is an arithmetic number, because the mean of its divisors is an integer number (5373233910).

Almost surely, 2^85174382586 is an apocalyptic number.

85174382586 is an abundant number, since it is smaller than the sum of its proper divisors (86769102534).

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

85174382586 is a wasteful number, since it uses less digits than its factorization.

85174382586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270.

The product of its digits is 12902400, while the sum is 57.

The spelling of 85174382586 in words is "eighty-five billion, one hundred seventy-four million, three hundred eighty-two thousand, five hundred eighty-six".