84545279 has 8 divisors (see below), whose sum is σ = 104055840. Its totient is φ = 66892896.

The previous prime is 84545249. The next prime is 84545291. The reversal of 84545279 is 97254548.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84545279 - 2²⁰ = 83496703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84545249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464444 + ... + 464625.

It is an arithmetic number, because the mean of its divisors is an integer number (13006980).

Almost surely, 2^84545279 is an apocalyptic number.

84545279 is a deficient number, since it is larger than the sum of its proper divisors (19510561).

84545279 is a wasteful number, since it uses less digits than its factorization.

84545279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929089.

The product of its digits is 403200, while the sum is 44.

The square root of 84545279 is about 9194.8506785048. The cubic root of 84545279 is about 438.8975136216.

The spelling of 84545279 in words is "eighty-four million, five hundred forty-five thousand, two hundred seventy-nine".