47811773144 has 8 divisors (see below), whose sum is σ = 89647074660. Its totient is φ = 23905886568.

The previous prime is 47811773123. The next prime is 47811773161. The reversal of 47811773144 is 44137711874.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2988235814 + ... + 2988235829.

Almost surely, 2^47811773144 is an apocalyptic number.

It is an amenable number.

47811773144 is a deficient number, since it is larger than the sum of its proper divisors (41835301516).

47811773144 is a wasteful number, since it uses less digits than its factorization.

47811773144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976471649 (or 5976471645 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The spelling of 47811773144 in words is "forty-seven billion, eight hundred eleven million, seven hundred seventy-three thousand, one hundred forty-four".