84927013 has 4 divisors (see below), whose sum is σ = 84964300. Its totient is φ = 84889728.

The previous prime is 84927001. The next prime is 84927043. The reversal of 84927013 is 31072948.

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 39526369 + 45400644 = 6287^2 + 6738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84927013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84927013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84927043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14988 + ... + 19861.

It is an arithmetic number, because the mean of its divisors is an integer number (21241075).

Almost surely, 2^84927013 is an apocalyptic number.

It is an amenable number.

84927013 is a deficient number, since it is larger than the sum of its proper divisors (37287).

84927013 is a wasteful number, since it uses less digits than its factorization.

84927013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37286.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 84927013 is about 9215.5853313829. The cubic root of 84927013 is about 439.5570835674.

The spelling of 84927013 in words is "eighty-four million, nine hundred twenty-seven thousand, thirteen".