988674785280 has 1216 divisors, whose sum is σ = 4340593044480. Its totient is φ = 207920037888.

The previous prime is 988674785239. The next prime is 988674785339. The reversal of 988674785280 is 82587476889.

988674785280 is a `hidden beast` number, since 98 + 8 + 6 + 7 + 4 + 7 + 8 + 528 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 988674785199 and 988674785208.

It is a congruent number.

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, 3220438887 + ... + 3220439193.

Almost surely, 2^988674785280 is an apocalyptic number.

988674785280 is a gapful number since it is divisible by the number (90) 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 988674785280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170296522240).

988674785280 is an abundant number, since it is smaller than the sum of its proper divisors (3351918259200).

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

988674785280 is an equidigital number, since it uses as much as digits as its factorization.

988674785280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 72.

The spelling of 988674785280 in words is "nine hundred eighty-eight billion, six hundred seventy-four million, seven hundred eighty-five thousand, two hundred eighty".