47893797844 has 12 divisors (see below), whose sum is σ = 83844610164. Its totient is φ = 23938194944.

The previous prime is 47893797829. The next prime is 47893797871. The reversal of 47893797844 is 44879739874.

It can be written as a sum of positive squares in 2 ways, for example, as 43498107844 + 4395690000 = 208562^2 + 66300^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163607 + ... + 2185630.

It is an arithmetic number, because the mean of its divisors is an integer number (6987050847).

Almost surely, 2^47893797844 is an apocalyptic number.

It is an amenable number.

47893797844 is a deficient number, since it is larger than the sum of its proper divisors (35950812320).

47893797844 is a wasteful number, since it uses less digits than its factorization.

47893797844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351994 (or 4351992 counting only the distinct ones).

The product of its digits is 341397504, while the sum is 70.

The spelling of 47893797844 in words is "forty-seven billion, eight hundred ninety-three million, seven hundred ninety-seven thousand, eight hundred forty-four".