84718805790 has 32 divisors (see below), whose sum is σ = 203641393536. Its totient is φ = 22556541600.

The previous prime is 84718805753. The next prime is 84718805791. The reversal of 84718805790 is 9750881748.

It is a self number, because there is not a number n which added to its sum of digits gives 84718805790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84718805791) 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 15 ways as a sum of consecutive naturals, for example, 2176636 + ... + 2215215.

It is an arithmetic number, because the mean of its divisors is an integer number (6363793548).

Almost surely, 2^84718805790 is an apocalyptic number.

84718805790 is an abundant number, since it is smaller than the sum of its proper divisors (118922587746).

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

84718805790 is a wasteful number, since it uses less digits than its factorization.

84718805790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392504.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 84718805790 in words is "eighty-four billion, seven hundred eighteen million, eight hundred five thousand, seven hundred ninety".