47739386428 has 12 divisors (see below), whose sum is σ = 83548700872. Its totient is φ = 23868329040.

The previous prime is 47739386413. The next prime is 47739386441. The reversal of 47739386428 is 82468393774.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260175 + ... + 403942.

Almost surely, 2^47739386428 is an apocalyptic number.

It is an amenable number.

47739386428 is a deficient number, since it is larger than the sum of its proper divisors (35809314444).

47739386428 is a wasteful number, since it uses less digits than its factorization.

47739386428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682092 (or 682090 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 61.

The spelling of 47739386428 in words is "forty-seven billion, seven hundred thirty-nine million, three hundred eighty-six thousand, four hundred twenty-eight".