85600621 has 4 divisors (see below), whose sum is σ = 85627872. Its totient is φ = 85573372.

The previous prime is 85600609. The next prime is 85600651. The reversal of 85600621 is 12600658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85600621 - 2¹¹ = 85598573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85600621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85600601) 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 3 ways as a sum of consecutive naturals, for example, 8191 + ... + 15436.

It is an arithmetic number, because the mean of its divisors is an integer number (21406968).

Almost surely, 2^85600621 is an apocalyptic number.

It is an amenable number.

85600621 is a deficient number, since it is larger than the sum of its proper divisors (27251).

85600621 is a wasteful number, since it uses less digits than its factorization.

85600621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 85600621 is about 9252.0603651295. The cubic root of 85600621 is about 440.7161563897.

The spelling of 85600621 in words is "eighty-five million, six hundred thousand, six hundred twenty-one".