47987345140 has 24 divisors (see below), whose sum is σ = 115169628672. Its totient is φ = 16452804000.

The previous prime is 47987345137. The next prime is 47987345183. The reversal of 47987345140 is 4154378974.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 171383236 + ... + 171383515.

It is an arithmetic number, because the mean of its divisors is an integer number (4798734528).

Almost surely, 2^47987345140 is an apocalyptic number.

It is an amenable number.

47987345140 is an abundant number, since it is smaller than the sum of its proper divisors (67182283532).

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

47987345140 is a wasteful number, since it uses less digits than its factorization.

47987345140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342766767 (or 342766765 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 47987345140 in words is "forty-seven billion, nine hundred eighty-seven million, three hundred forty-five thousand, one hundred forty".