84669868 has 6 divisors (see below), whose sum is σ = 148172276. Its totient is φ = 42334932.

The previous prime is 84669863. The next prime is 84669887. The reversal of 84669868 is 86896648.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84669863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10583730 + ... + 10583737.

Almost surely, 2^84669868 is an apocalyptic number.

It is an amenable number.

84669868 is a deficient number, since it is larger than the sum of its proper divisors (63502408).

84669868 is a wasteful number, since it uses less digits than its factorization.

84669868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167471 (or 21167469 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 84669868 is about 9201.6231176896. The cubic root of 84669868 is about 439.1129995899.

The spelling of 84669868 in words is "eighty-four million, six hundred sixty-nine thousand, eight hundred sixty-eight".