84169868 has 6 divisors (see below), whose sum is σ = 147297276. Its totient is φ = 42084932.

The previous prime is 84169819. The next prime is 84169901. The reversal of 84169868 is 86896148.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10521230 + ... + 10521237.

It is an arithmetic number, because the mean of its divisors is an integer number (24549546).

Almost surely, 2^84169868 is an apocalyptic number.

It is an amenable number.

84169868 is a deficient number, since it is larger than the sum of its proper divisors (63127408).

84169868 is a wasteful number, since it uses less digits than its factorization.

84169868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21042471 (or 21042469 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 84169868 is about 9174.4137687375. The cubic root of 84169868 is about 438.2469295623.

The spelling of 84169868 in words is "eighty-four million, one hundred sixty-nine thousand, eight hundred sixty-eight".