47938881624 has 16 divisors (see below), whose sum is σ = 119847204120. Its totient is φ = 15979627200.

The previous prime is 47938881611. The next prime is 47938881629. The reversal of 47938881624 is 42618883974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47938881629) 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, 998726677 + ... + 998726724.

Almost surely, 2^47938881624 is an apocalyptic number.

It is an amenable number.

47938881624 is an abundant number, since it is smaller than the sum of its proper divisors (71908322496).

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

47938881624 is a wasteful number, since it uses less digits than its factorization.

47938881624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997453410 (or 1997453406 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 60.

The spelling of 47938881624 in words is "forty-seven billion, nine hundred thirty-eight million, eight hundred eighty-one thousand, six hundred twenty-four".