47478443744 has 24 divisors (see below), whose sum is σ = 98971609968. Its totient is φ = 22342796800.

The previous prime is 47478443741. The next prime is 47478443773. The reversal of 47478443744 is 44734487474.

It is a self number, because there is not a number n which added to its sum of digits gives 47478443744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47478443741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43637732 + ... + 43638819.

It is an arithmetic number, because the mean of its divisors is an integer number (4123817082).

Almost surely, 2^47478443744 is an apocalyptic number.

It is an amenable number.

47478443744 is an abundant number, since it is smaller than the sum of its proper divisors (51493166224).

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

47478443744 is a wasteful number, since it uses less digits than its factorization.

47478443744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87276578 (or 87276570 counting only the distinct ones).

The product of its digits is 33718272, while the sum is 56.

The spelling of 47478443744 in words is "forty-seven billion, four hundred seventy-eight million, four hundred forty-three thousand, seven hundred forty-four".