84818899 has 12 divisors (see below), whose sum is σ = 98296488. Its totient is φ = 72569600.

The previous prime is 84818893. The next prime is 84818927. The reversal of 84818899 is 99881848.

It is not a de Polignac number, because 84818899 - 2¹⁵ = 84786131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84818893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10162 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (8191374).

Almost surely, 2^84818899 is an apocalyptic number.

84818899 is a deficient number, since it is larger than the sum of its proper divisors (13477589).

84818899 is a wasteful number, since it uses less digits than its factorization.

84818899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26726 (or 26709 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 55.

The square root of 84818899 is about 9209.7176395371. The cubic root of 84818899 is about 439.3704823406.

The spelling of 84818899 in words is "eighty-four million, eight hundred eighteen thousand, eight hundred ninety-nine".