84311473 has 4 divisors (see below), whose sum is σ = 84496420. Its totient is φ = 84126528.

The previous prime is 84311443. The next prime is 84311477. The reversal of 84311473 is 37411348.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 54641664 = 5447^2 + 7392^2 .

It is a cyclic number.

It is not a de Polignac number, because 84311473 - 2¹⁷ = 84180401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84311477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91788 + ... + 92701.

It is an arithmetic number, because the mean of its divisors is an integer number (21124105).

Almost surely, 2^84311473 is an apocalyptic number.

It is an amenable number.

84311473 is a deficient number, since it is larger than the sum of its proper divisors (184947).

84311473 is a wasteful number, since it uses less digits than its factorization.

84311473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184946.

The product of its digits is 8064, while the sum is 31.

The square root of 84311473 is about 9182.1279124177. The cubic root of 84311473 is about 438.4925566056.

The spelling of 84311473 in words is "eighty-four million, three hundred eleven thousand, four hundred seventy-three".