47947887500 has 36 divisors (see below), whose sum is σ = 104879318544. Its totient is φ = 19179150000.

The previous prime is 47947887451. The next prime is 47947887563. The reversal of 47947887500 is 578874974.

It is a self number, because there is not a number n which added to its sum of digits gives 47947887500.

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 11 ways as a sum of consecutive naturals, for example, 1905416 + ... + 1930415.

It is an arithmetic number, because the mean of its divisors is an integer number (2913314404).

Almost surely, 2^47947887500 is an apocalyptic number.

It is an amenable number.

47947887500 is an abundant number, since it is smaller than the sum of its proper divisors (56931431044).

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

47947887500 is an equidigital number, since it uses as much as digits as its factorization.

47947887500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835860 (or 3835838 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 47947887500 in words is "forty-seven billion, nine hundred forty-seven million, eight hundred eighty-seven thousand, five hundred".