84868518 has 16 divisors (see below), whose sum is σ = 193985280. Its totient is φ = 24248136.

The previous prime is 84868517. The next prime is 84868549. The reversal of 84868518 is 81586848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84868513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010298 + ... + 1010381.

It is an arithmetic number, because the mean of its divisors is an integer number (12124080).

Almost surely, 2^84868518 is an apocalyptic number.

84868518 is an abundant number, since it is smaller than the sum of its proper divisors (109116762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84868518 is a wasteful number, since it uses less digits than its factorization.

84868518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020691.

The product of its digits is 491520, while the sum is 48.

The square root of 84868518 is about 9212.4110850526. The cubic root of 84868518 is about 439.4561427865.

The spelling of 84868518 in words is "eighty-four million, eight hundred sixty-eight thousand, five hundred eighteen".