978143089178112 has 480 divisors, whose sum is σ = 3143715130068480. Its totient is φ = 267785007759360.

The previous prime is 978143089178107. The next prime is 978143089178137. The reversal of 978143089178112 is 211871980341879.

It is a congruent number.

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, 130560714 + ... + 137849142.

It is an arithmetic number, because the mean of its divisors is an integer number (6549406520976).

Almost surely, 2^{978143089178112} 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 978143089178112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571857565034240).

978143089178112 is an abundant number, since it is smaller than the sum of its proper divisors (2165572040890368).

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

978143089178112 is a wasteful number, since it uses less digits than its factorization.

978143089178112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288534 (or 7288505 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 69.

The spelling of 978143089178112 in words is "nine hundred seventy-eight trillion, one hundred forty-three billion, eighty-nine million, one hundred seventy-eight thousand, one hundred twelve".