84524711820 has 24 divisors (see below), whose sum is σ = 236669193264. Its totient is φ = 22539923136.

The previous prime is 84524711801. The next prime is 84524711857. The reversal of 84524711820 is 2811742548.

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 7 ways as a sum of consecutive naturals, for example, 704372539 + ... + 704372658.

It is an arithmetic number, because the mean of its divisors is an integer number (9861216386).

Almost surely, 2^84524711820 is an apocalyptic number.

It is an amenable number.

84524711820 is an abundant number, since it is smaller than the sum of its proper divisors (152144481444).

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

84524711820 is a wasteful number, since it uses less digits than its factorization.

84524711820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408745209 (or 1408745207 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 84524711820 in words is "eighty-four billion, five hundred twenty-four million, seven hundred eleven thousand, eight hundred twenty".