84559801 has 4 divisors (see below), whose sum is σ = 86526352. Its totient is φ = 82593252.

The previous prime is 84559789. The next prime is 84559817. The reversal of 84559801 is 10895548.

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 84559801 - 2¹⁵ = 84527033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84559301) 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, 983211 + ... + 983296.

It is an arithmetic number, because the mean of its divisors is an integer number (21631588).

Almost surely, 2^84559801 is an apocalyptic number.

It is an amenable number.

84559801 is a deficient number, since it is larger than the sum of its proper divisors (1966551).

84559801 is a wasteful number, since it uses less digits than its factorization.

84559801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966550.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 84559801 is about 9195.6403257196. The cubic root of 84559801 is about 438.9226413988.

The spelling of 84559801 in words is "eighty-four million, five hundred fifty-nine thousand, eight hundred one".