84524845 has 4 divisors (see below), whose sum is σ = 101429820. Its totient is φ = 67619872.

The previous prime is 84524831. The next prime is 84524851. The reversal of 84524845 is 54842548.

It is a happy number.

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 46812964 + 37711881 = 6842^2 + 6141^2 .

It is a cyclic number.

It is not a de Polignac number, because 84524845 - 2⁷ = 84524717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84524798 and 84524807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8452480 + ... + 8452489.

It is an arithmetic number, because the mean of its divisors is an integer number (25357455).

Almost surely, 2^84524845 is an apocalyptic number.

It is an amenable number.

84524845 is a deficient number, since it is larger than the sum of its proper divisors (16904975).

84524845 is a wasteful number, since it uses less digits than its factorization.

84524845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16904974.

The product of its digits is 204800, while the sum is 40.

The square root of 84524845 is about 9193.7394459491. The cubic root of 84524845 is about 438.8621512906.

The spelling of 84524845 in words is "eighty-four million, five hundred twenty-four thousand, eight hundred forty-five".