47882139 has 8 divisors (see below), whose sum is σ = 63970320. Its totient is φ = 31857696.

The previous prime is 47882117. The next prime is 47882167. The reversal of 47882139 is 93128874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47882139 - 2²⁵ = 14327707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47882139.

It is not an unprimeable number, because it can be changed into a prime (47882189) 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 7 ways as a sum of consecutive naturals, for example, 14152 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (7996290).

Almost surely, 2^47882139 is an apocalyptic number.

47882139 is a deficient number, since it is larger than the sum of its proper divisors (16088181).

47882139 is a wasteful number, since it uses less digits than its factorization.

47882139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31869.

The product of its digits is 96768, while the sum is 42.

The square root of 47882139 is about 6919.6921174283. The cubic root of 47882139 is about 363.1264197033.

The spelling of 47882139 in words is "forty-seven million, eight hundred eighty-two thousand, one hundred thirty-nine".