84828871 has 2 divisors, whose sum is σ = 84828872. Its totient is φ = 84828870.

The previous prime is 84828859. The next prime is 84828907. The reversal of 84828871 is 17882848.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84828871 - 2⁵ = 84828839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84828811) 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 as a sum of consecutive naturals, namely, 42414435 + 42414436.

It is an arithmetic number, because the mean of its divisors is an integer number (42414436).

Almost surely, 2^84828871 is an apocalyptic number.

84828871 is a deficient number, since it is larger than the sum of its proper divisors (1).

84828871 is an equidigital number, since it uses as much as digits as its factorization.

84828871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229376, while the sum is 46.

The square root of 84828871 is about 9210.2590083016. The cubic root of 84828871 is about 439.3877003223.

The spelling of 84828871 in words is "eighty-four million, eight hundred twenty-eight thousand, eight hundred seventy-one".