47138867850 has 24 divisors (see below), whose sum is σ = 116904392640. Its totient is φ = 12570364720.

The previous prime is 47138867819. The next prime is 47138867851. The reversal of 47138867850 is 5876883174.

It is not an unprimeable number, because it can be changed into a prime (47138867851) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 157129410 + ... + 157129709.

It is an arithmetic number, because the mean of its divisors is an integer number (4871016360).

Almost surely, 2^47138867850 is an apocalyptic number.

47138867850 is an abundant number, since it is smaller than the sum of its proper divisors (69765524790).

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

47138867850 is a wasteful number, since it uses less digits than its factorization.

47138867850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314259134 (or 314259129 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 47138867850 in words is "forty-seven billion, one hundred thirty-eight million, eight hundred sixty-seven thousand, eight hundred fifty".