978150284280 has 384 divisors, whose sum is σ = 3462803809920. Its totient is φ = 238020710400.

The previous prime is 978150284261. The next prime is 978150284291. The reversal of 978150284280 is 82482051879.

978150284280 is a `hidden beast` number, since 9 + 7 + 81 + 5 + 0 + 284 + 280 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 419265994 + ... + 419268326.

It is an arithmetic number, because the mean of its divisors is an integer number (9017718255).

Almost surely, 2^978150284280 is an apocalyptic number.

978150284280 is a gapful number since it is divisible by the number (90) 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 978150284280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731401904960).

978150284280 is an abundant number, since it is smaller than the sum of its proper divisors (2484653525640).

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

978150284280 is a wasteful number, since it uses less digits than its factorization.

978150284280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351 (or 3344 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 978150284280 in words is "nine hundred seventy-eight billion, one hundred fifty million, two hundred eighty-four thousand, two hundred eighty".