147878945280 has 720 divisors, whose sum is σ = 584582334336. Its totient is φ = 34259681280.

The previous prime is 147878945231. The next prime is 147878945339. The reversal of 147878945280 is 82549878741.

147878945280 is a `hidden beast` number, since 1 + 478 + 7 + 89 + 4 + 5 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 134069209 + ... + 134070311.

Almost surely, 2^147878945280 is an apocalyptic number.

147878945280 is a gapful number since it is divisible by the number (10) 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 147878945280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292291167168).

147878945280 is an abundant number, since it is smaller than the sum of its proper divisors (436703389056).

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

147878945280 is a wasteful number, since it uses less digits than its factorization.

147878945280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 147878945280 in words is "one hundred forty-seven billion, eight hundred seventy-eight million, nine hundred forty-five thousand, two hundred eighty".