47091827 has 2 divisors, whose sum is σ = 47091828. Its totient is φ = 47091826.

The previous prime is 47091809. The next prime is 47091859. The reversal of 47091827 is 72819074.

47091827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47091827 - 2¹⁰ = 47090803 is a prime.

It is not a weakly prime, because it can be changed into another prime (47091427) 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, 23545913 + 23545914.

It is an arithmetic number, because the mean of its divisors is an integer number (23545914).

Almost surely, 2^47091827 is an apocalyptic number.

47091827 is a deficient number, since it is larger than the sum of its proper divisors (1).

47091827 is an equidigital number, since it uses as much as digits as its factorization.

47091827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 47091827 is about 6862.3485047030. The cubic root of 47091827 is about 361.1174818354.

The spelling of 47091827 in words is "forty-seven million, ninety-one thousand, eight hundred twenty-seven".