84318885 has 24 divisors (see below), whose sum is σ = 167032320. Its totient is φ = 38545632.

The previous prime is 84318881. The next prime is 84318917. The reversal of 84318885 is 58881348.

It is not a de Polignac number, because 84318885 - 2² = 84318881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 84318885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84318881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133525 + ... + 134154.

It is an arithmetic number, because the mean of its divisors is an integer number (6959680).

Almost surely, 2^84318885 is an apocalyptic number.

It is an amenable number.

84318885 is a deficient number, since it is larger than the sum of its proper divisors (82713435).

84318885 is a wasteful number, since it uses less digits than its factorization.

84318885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267697 (or 267694 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 84318885 is about 9182.5315136949. The cubic root of 84318885 is about 438.5054058319.

The spelling of 84318885 in words is "eighty-four million, three hundred eighteen thousand, eight hundred eighty-five".