84828565 has 8 divisors (see below), whose sum is σ = 101845080. Its totient is φ = 67828992.

The previous prime is 84828533. The next prime is 84828571. The reversal of 84828565 is 56582848.

It can be written as a sum of positive squares in 4 ways, for example, as 47361924 + 37466641 = 6882^2 + 6121^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 84828565 - 2⁵ = 84828533 is a prime.

It is a congruent 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, 13681 + ... + 18889.

It is an arithmetic number, because the mean of its divisors is an integer number (12730635).

Almost surely, 2^84828565 is an apocalyptic number.

It is an amenable number.

84828565 is a deficient number, since it is larger than the sum of its proper divisors (17016515).

84828565 is a wasteful number, since it uses less digits than its factorization.

84828565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471.

The product of its digits is 614400, while the sum is 46.

The square root of 84828565 is about 9210.2423963759. The cubic root of 84828565 is about 439.3871719927.

The spelling of 84828565 in words is "eighty-four million, eight hundred twenty-eight thousand, five hundred sixty-five".