84299980800 has 672 divisors, whose sum is σ = 337585214592. Its totient is φ = 18119393280.

The previous prime is 84299980757. The next prime is 84299980819. The reversal of 84299980800 is 808999248.

It is a tau number, because it is divible by the number of its divisors (672).

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, 73113024 + ... + 73114176.

Almost surely, 2^84299980800 is an apocalyptic number.

84299980800 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 84299980800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168792607296).

84299980800 is an abundant number, since it is smaller than the sum of its proper divisors (253285233792).

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

84299980800 is a wasteful number, since it uses less digits than its factorization.

84299980800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 84299980800 in words is "eighty-four billion, two hundred ninety-nine million, nine hundred eighty thousand, eight hundred".