85210579 has 16 divisors (see below), whose sum is σ = 92192256. Its totient is φ = 78467200.

The previous prime is 85210571. The next prime is 85210597. The reversal of 85210579 is 97501258.

It is a cyclic number.

It is not a de Polignac number, because 85210579 - 2³ = 85210571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85210571) 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 in 15 ways as a sum of consecutive naturals, for example, 273834 + ... + 274144.

It is an arithmetic number, because the mean of its divisors is an integer number (5762016).

Almost surely, 2^85210579 is an apocalyptic number.

85210579 is a deficient number, since it is larger than the sum of its proper divisors (6981677).

85210579 is a wasteful number, since it uses less digits than its factorization.

85210579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 85210579 is about 9230.9576426284. The cubic root of 85210579 is about 440.0457579823.

The spelling of 85210579 in words is "eighty-five million, two hundred ten thousand, five hundred seventy-nine".