84208574918 has 16 divisors (see below), whose sum is σ = 136061399376. Its totient is φ = 38856306720.

The previous prime is 84208574917. The next prime is 84208574941. The reversal of 84208574918 is 81947580248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84208574917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270188 + ... + 491343.

It is an arithmetic number, because the mean of its divisors is an integer number (8503837461).

Almost surely, 2^84208574918 is an apocalyptic number.

84208574918 is a deficient number, since it is larger than the sum of its proper divisors (51852824458).

84208574918 is a wasteful number, since it uses less digits than its factorization.

84208574918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765799.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 84208574918 in words is "eighty-four billion, two hundred eight million, five hundred seventy-four thousand, nine hundred eighteen".