84525556480 has 72 divisors (see below), whose sum is σ = 202745848032. Its totient is φ = 33763344384.

The previous prime is 84525556471. The next prime is 84525556541. The reversal of 84525556480 is 8465552548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885144 + ... + 975976.

It is an arithmetic number, because the mean of its divisors is an integer number (2815914556).

Almost surely, 2^84525556480 is an apocalyptic number.

84525556480 is a gapful number since it is divisible by the number (80) 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 84525556480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101372924016).

84525556480 is an abundant number, since it is smaller than the sum of its proper divisors (118220291552).

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

84525556480 is an equidigital number, since it uses as much as digits as its factorization.

84525556480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91581 (or 91567 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 52.

The spelling of 84525556480 in words is "eighty-four billion, five hundred twenty-five million, five hundred fifty-six thousand, four hundred eighty".