85106580 has 48 divisors (see below), whose sum is σ = 256631424. Its totient is φ = 20949120.

The previous prime is 85106579. The next prime is 85106591. The reversal of 85106580 is 8560158.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 53776 + ... + 55335.

It is an arithmetic number, because the mean of its divisors is an integer number (5346488).

Almost surely, 2^85106580 is an apocalyptic number.

It is an amenable number.

85106580 is an abundant number, since it is smaller than the sum of its proper divisors (171524844).

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

85106580 is a wasteful number, since it uses less digits than its factorization.

85106580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109136 (or 109134 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 85106580 is about 9225.3227585814. The cubic root of 85106580 is about 439.8666606984.

The spelling of 85106580 in words is "eighty-five million, one hundred six thousand, five hundred eighty".