994384719888 has 960 divisors, whose sum is σ = 3370450944000. Its totient is φ = 251922908160.

The previous prime is 994384719883. The next prime is 994384719893. The reversal of 994384719888 is 888917483499.

It is an interprime number because it is at equal distance from previous prime (994384719883) and next prime (994384719893).

It is a super-2 number, since 2×994384719888² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (994384719883) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7829800881 + ... + 7829801007.

It is an arithmetic number, because the mean of its divisors is an integer number (3510886400).

Almost surely, 2^994384719888 is an apocalyptic number.

994384719888 is a gapful number since it is divisible by the number (98) 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 994384719888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685225472000).

994384719888 is an abundant number, since it is smaller than the sum of its proper divisors (2376066224112).

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

994384719888 is a wasteful number, since it uses less digits than its factorization.

994384719888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 222 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 78.

The spelling of 994384719888 in words is "nine hundred ninety-four billion, three hundred eighty-four million, seven hundred nineteen thousand, eight hundred eighty-eight".