47478841182 has 72 divisors (see below), whose sum is σ = 111891597480. Its totient is φ = 14509562400.

The previous prime is 47478841177. The next prime is 47478841219. The reversal of 47478841182 is 28114887474.

47478841182 is a `hidden beast` number, since 4 + 7 + 478 + 84 + 11 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256432 + ... + 400892.

It is an arithmetic number, because the mean of its divisors is an integer number (1554049965).

Almost surely, 2^47478841182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47478841182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55945798740).

47478841182 is an abundant number, since it is smaller than the sum of its proper divisors (64412756298).

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

47478841182 is a wasteful number, since it uses less digits than its factorization.

47478841182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144550 (or 144516 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 54.

The spelling of 47478841182 in words is "forty-seven billion, four hundred seventy-eight million, eight hundred forty-one thousand, one hundred eighty-two".