978112884 has 96 divisors (see below), whose sum is σ = 2780870400. Its totient is φ = 261199872.

The previous prime is 978112879. The next prime is 978112897. The reversal of 978112884 is 488211879.

978112884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210474 + ... + 215070.

It is an arithmetic number, because the mean of its divisors is an integer number (28967400).

Almost surely, 2^978112884 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 978112884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390435200).

978112884 is an abundant number, since it is smaller than the sum of its proper divisors (1802757516).

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

978112884 is a wasteful number, since it uses less digits than its factorization.

978112884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4775 counting only the distinct ones).

The product of its digits is 258048, while the sum is 48.

The square root of 978112884 is about 31274.7963062911. The cubic root of 978112884 is about 992.6504105343.

The spelling of 978112884 in words is "nine hundred seventy-eight million, one hundred twelve thousand, eight hundred eighty-four".