2981478079888 has 80 divisors (see below), whose sum is σ = 7205567564160. Its totient is φ = 1161041356800.

The previous prime is 2981478079883. The next prime is 2981478079933. The reversal of 2981478079888 is 8889708741892.

2981478079888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2981478079883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1903368 + ... + 3096088.

It is an arithmetic number, because the mean of its divisors is an integer number (90069594552).

Almost surely, 2^{2981478079888} is an apocalyptic number.

2981478079888 is a gapful number since it is divisible by the number (28) 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 2981478079888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3602783782080).

2981478079888 is an abundant number, since it is smaller than the sum of its proper divisors (4224089484272).

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

2981478079888 is a wasteful number, since it uses less digits than its factorization.

2981478079888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194776 (or 1194770 counting only the distinct ones).

The product of its (nonzero) digits is 1040449536, while the sum is 79.

The spelling of 2981478079888 in words is "two trillion, nine hundred eighty-one billion, four hundred seventy-eight million, seventy-nine thousand, eight hundred eighty-eight".