84204842018 has 16 divisors (see below), whose sum is σ = 142541112960. Its totient is φ = 36955102800.

The previous prime is 84204841979. The next prime is 84204842023. The reversal of 84204842018 is 81024840248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65990618 + ... + 65991893.

It is an arithmetic number, because the mean of its divisors is an integer number (8908819560).

Almost surely, 2^84204842018 is an apocalyptic number.

84204842018 is a deficient number, since it is larger than the sum of its proper divisors (58336270942).

84204842018 is a wasteful number, since it uses less digits than its factorization.

84204842018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131982553.

The product of its (nonzero) digits is 131072, while the sum is 41.

The spelling of 84204842018 in words is "eighty-four billion, two hundred four million, eight hundred forty-two thousand, eighteen".