84427305 has 16 divisors (see below), whose sum is σ = 135774144. Its totient is φ = 44797760.

The previous prime is 84427261. The next prime is 84427309. The reversal of 84427305 is 50372448.

It is not a de Polignac number, because 84427305 - 2¹³ = 84419113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84427309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11331 + ... + 17240.

It is an arithmetic number, because the mean of its divisors is an integer number (8485884).

Almost surely, 2^84427305 is an apocalyptic number.

It is an amenable number.

84427305 is a deficient number, since it is larger than the sum of its proper divisors (51346839).

84427305 is a wasteful number, since it uses less digits than its factorization.

84427305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28776.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 84427305 is about 9188.4332179104. The cubic root of 84427305 is about 438.6932735648.

The spelling of 84427305 in words is "eighty-four million, four hundred twenty-seven thousand, three hundred five".