47478675680 has 96 divisors (see below), whose sum is σ = 115810974720. Its totient is φ = 18382049280.

The previous prime is 47478675667. The next prime is 47478675689. The reversal of 47478675680 is 8657687474.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47478675689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804626 + ... + 861614.

It is an arithmetic number, because the mean of its divisors is an integer number (1206364320).

Almost surely, 2^47478675680 is an apocalyptic number.

47478675680 is a gapful number since it is divisible by the number (40) 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 47478675680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57905487360).

47478675680 is an abundant number, since it is smaller than the sum of its proper divisors (68332299040).

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

47478675680 is a wasteful number, since it uses less digits than its factorization.

47478675680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57172 (or 57164 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 62.

The spelling of 47478675680 in words is "forty-seven billion, four hundred seventy-eight million, six hundred seventy-five thousand, six hundred eighty".