84438522504 has 192 divisors, whose sum is σ = 279586944000. Its totient is φ = 22471852032.

The previous prime is 84438522491. The next prime is 84438522559. The reversal of 84438522504 is 40522583448.

84438522504 is a `hidden beast` number, since 8 + 4 + 43 + 85 + 22 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 84438522504.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 780297 + ... + 881895.

It is an arithmetic number, because the mean of its divisors is an integer number (1456182000).

Almost surely, 2^84438522504 is an apocalyptic number.

84438522504 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84438522504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139793472000).

84438522504 is an abundant number, since it is smaller than the sum of its proper divisors (195148421496).

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

84438522504 is a wasteful number, since it uses less digits than its factorization.

84438522504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101732 (or 101725 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 84438522504 in words is "eighty-four billion, four hundred thirty-eight million, five hundred twenty-two thousand, five hundred four".