84884671 has 2 divisors, whose sum is σ = 84884672. Its totient is φ = 84884670.

The previous prime is 84884633. The next prime is 84884677. The reversal of 84884671 is 17648848.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84884671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84884677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42442335 + 42442336.

It is an arithmetic number, because the mean of its divisors is an integer number (42442336).

Almost surely, 2^84884671 is an apocalyptic number.

84884671 is a deficient number, since it is larger than the sum of its proper divisors (1).

84884671 is an equidigital number, since it uses as much as digits as its factorization.

84884671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 46.

The square root of 84884671 is about 9213.2877410835. The cubic root of 84884671 is about 439.4840215372.

The spelling of 84884671 in words is "eighty-four million, eight hundred eighty-four thousand, six hundred seventy-one".