84201859 has 12 divisors (see below), whose sum is σ = 99442992. Its totient is φ = 69839280.

The previous prime is 84201853. The next prime is 84201881. The reversal of 84201859 is 95810248.

It is not a de Polignac number, because 84201859 - 2¹³ = 84193667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84201853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469 + ... + 12985.

It is an arithmetic number, because the mean of its divisors is an integer number (8286916).

Almost surely, 2^84201859 is an apocalyptic number.

84201859 is a deficient number, since it is larger than the sum of its proper divisors (15241133).

84201859 is a wasteful number, since it uses less digits than its factorization.

84201859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586 (or 12555 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 84201859 is about 9176.1570932499. The cubic root of 84201859 is about 438.3024450019.

The spelling of 84201859 in words is "eighty-four million, two hundred one thousand, eight hundred fifty-nine".