84544105 has 8 divisors (see below), whose sum is σ = 101601864. Its totient is φ = 67536000.

The previous prime is 84544081. The next prime is 84544123. The reversal of 84544105 is 50144548.

It can be written as a sum of positive squares in 4 ways, for example, as 13630864 + 70913241 = 3692^2 + 8421^2 .

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

It is not a de Polignac number, because 84544105 - 2⁹ = 84543593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8556 + ... + 15565.

It is an arithmetic number, because the mean of its divisors is an integer number (12700233).

Almost surely, 2^84544105 is an apocalyptic number.

It is an amenable number.

84544105 is a deficient number, since it is larger than the sum of its proper divisors (17057759).

84544105 is a wasteful number, since it uses less digits than its factorization.

84544105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24827.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 84544105 is about 9194.7868382035. The cubic root of 84544105 is about 438.8954820946.

The spelling of 84544105 in words is "eighty-four million, five hundred forty-four thousand, one hundred five".