47846487 has 32 divisors (see below), whose sum is σ = 71239168. Its totient is φ = 28377216.

The previous prime is 47846473. The next prime is 47846497. The reversal of 47846487 is 78464874.

It is a happy number.

47846487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47846487 - 2⁸ = 47846231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47846497) 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 in 31 ways as a sum of consecutive naturals, for example, 172593 + ... + 172869.

It is an arithmetic number, because the mean of its divisors is an integer number (2226224).

Almost surely, 2^47846487 is an apocalyptic number.

47846487 is a deficient number, since it is larger than the sum of its proper divisors (23392681).

47846487 is a wasteful number, since it uses less digits than its factorization.

47846487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its digits is 1204224, while the sum is 48.

The square root of 47846487 is about 6917.1155115409. The cubic root of 47846487 is about 363.0362719790.

The spelling of 47846487 in words is "forty-seven million, eight hundred forty-six thousand, four hundred eighty-seven".