984123348780 has 192 divisors, whose sum is σ = 3245747355648. Its totient is φ = 219647677440.

The previous prime is 984123348773. The next prime is 984123348809. The reversal of 984123348780 is 87843321489.

It is a super-2 number, since 2×984123348780² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 984123348780.

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, 3136402 + ... + 3435878.

It is an arithmetic number, because the mean of its divisors is an integer number (16904934144).

Almost surely, 2^984123348780 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 984123348780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622873677824).

984123348780 is an abundant number, since it is smaller than the sum of its proper divisors (2261624006868).

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

984123348780 is a wasteful number, since it uses less digits than its factorization.

984123348780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299896 (or 299894 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 984123348780 in words is "nine hundred eighty-four billion, one hundred twenty-three million, three hundred forty-eight thousand, seven hundred eighty".