84922817 has 8 divisors (see below), whose sum is σ = 100401600. Its totient is φ = 70280784.

The previous prime is 84922811. The next prime is 84922841. The reversal of 84922817 is 71822948.

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

It is not a de Polignac number, because 84922817 - 2⁶ = 84922753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84922811) 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 7 ways as a sum of consecutive naturals, for example, 208967 + ... + 209372.

It is an arithmetic number, because the mean of its divisors is an integer number (12550200).

Almost surely, 2^84922817 is an apocalyptic number.

It is an amenable number.

84922817 is a deficient number, since it is larger than the sum of its proper divisors (15478783).

84922817 is a wasteful number, since it uses less digits than its factorization.

84922817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418375.

The product of its digits is 64512, while the sum is 41.

The square root of 84922817 is about 9215.3576707581. The cubic root of 84922817 is about 439.5498443634.

The spelling of 84922817 in words is "eighty-four million, nine hundred twenty-two thousand, eight hundred seventeen".