84437219722 has 8 divisors (see below), whose sum is σ = 127103377536. Its totient is φ = 42069427212.

The previous prime is 84437219719. The next prime is 84437219803. The reversal of 84437219722 is 22791273448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 74590618 + ... + 74591749.

It is an arithmetic number, because the mean of its divisors is an integer number (15887922192).

Almost surely, 2^84437219722 is an apocalyptic number.

84437219722 is a deficient number, since it is larger than the sum of its proper divisors (42666157814).

84437219722 is a wasteful number, since it uses less digits than its factorization.

84437219722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149182652.

The product of its digits is 1354752, while the sum is 49.

The spelling of 84437219722 in words is "eighty-four billion, four hundred thirty-seven million, two hundred nineteen thousand, seven hundred twenty-two".