47317743828 has 18 divisors (see below), whose sum is σ = 119608741434. Its totient is φ = 15772581264.

The previous prime is 47317743799. The next prime is 47317743871. The reversal of 47317743828 is 82834771374.

It can be written as a sum of positive squares in only one way, i.e., 37460828304 + 9856915524 = 193548^2 + 99282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 in 5 ways as a sum of consecutive naturals, for example, 657190851 + ... + 657190922.

Almost surely, 2^47317743828 is an apocalyptic number.

It is an amenable number.

47317743828 is an abundant number, since it is smaller than the sum of its proper divisors (72290997606).

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

47317743828 is a wasteful number, since it uses less digits than its factorization.

47317743828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314381783 (or 1314381778 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The spelling of 47317743828 in words is "forty-seven billion, three hundred seventeen million, seven hundred forty-three thousand, eight hundred twenty-eight".