84037633280 has 72 divisors (see below), whose sum is σ = 201457944072. Its totient is φ = 33588076544.

The previous prime is 84037633271. The next prime is 84037633321. The reversal of 84037633280 is 8233673048.

It can be written as a sum of positive squares in 4 ways, for example, as 8452228096 + 75585405184 = 91936^2 + 274928^2 .

It is a congruent number.

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, 1608854 + ... + 1660266.

It is an arithmetic number, because the mean of its divisors is an integer number (2798027001).

Almost surely, 2^84037633280 is an apocalyptic number.

84037633280 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 84037633280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100728972036).

84037633280 is an abundant number, since it is smaller than the sum of its proper divisors (117420310792).

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

84037633280 is a wasteful number, since it uses less digits than its factorization.

84037633280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52711 (or 52697 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 84037633280 in words is "eighty-four billion, thirty-seven million, six hundred thirty-three thousand, two hundred eighty".