47871058 has 4 divisors (see below), whose sum is σ = 71806590. Its totient is φ = 23935528.

The previous prime is 47871049. The next prime is 47871059. The reversal of 47871058 is 85017874.

47871058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46199209 + 1671849 = 6797^2 + 1293^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47871058.

It is not an unprimeable number, because it can be changed into a prime (47871059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11967763 + ... + 11967766.

Almost surely, 2^47871058 is an apocalyptic number.

47871058 is a deficient number, since it is larger than the sum of its proper divisors (23935532).

47871058 is a wasteful number, since it uses less digits than its factorization.

47871058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23935531.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 47871058 is about 6918.8913851859. The cubic root of 47871058 is about 363.0984056784.

The spelling of 47871058 in words is "forty-seven million, eight hundred seventy-one thousand, fifty-eight".