84719722240 has 36 divisors (see below), whose sum is σ = 202930212744. Its totient is φ = 33887888384.

The previous prime is 84719722237. The next prime is 84719722253. The reversal of 84719722240 is 4222791748.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33092362 + ... + 33094921.

It is an arithmetic number, because the mean of its divisors is an integer number (5636950354).

Almost surely, 2^84719722240 is an apocalyptic number.

84719722240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84719722240 is an abundant number, since it is smaller than the sum of its proper divisors (118210490504).

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

84719722240 is an equidigital number, since it uses as much as digits as its factorization.

84719722240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66187304 (or 66187290 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 84719722240 in words is "eighty-four billion, seven hundred nineteen million, seven hundred twenty-two thousand, two hundred forty".