84881563536 has 320 divisors, whose sum is σ = 279753523200. Its totient is φ = 21539105280.

The previous prime is 84881563519. The next prime is 84881563573. The reversal of 84881563536 is 63536518848.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31447915 + ... + 31450613.

It is an arithmetic number, because the mean of its divisors is an integer number (874229760).

Almost surely, 2^84881563536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84881563536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139876761600).

84881563536 is an abundant number, since it is smaller than the sum of its proper divisors (194871959664).

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

84881563536 is a wasteful number, since it uses less digits than its factorization.

84881563536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922 (or 2916 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

The spelling of 84881563536 in words is "eighty-four billion, eight hundred eighty-one million, five hundred sixty-three thousand, five hundred thirty-six".