47841877 has 2 divisors, whose sum is σ = 47841878. Its totient is φ = 47841876.

The previous prime is 47841869. The next prime is 47841883. The reversal of 47841877 is 77814874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25948836 + 21893041 = 5094^2 + 4679^2 .

It is a cyclic number.

It is not a de Polignac number, because 47841877 - 2³ = 47841869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47841887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23920938 + 23920939.

It is an arithmetic number, because the mean of its divisors is an integer number (23920939).

Almost surely, 2^47841877 is an apocalyptic number.

It is an amenable number.

47841877 is a deficient number, since it is larger than the sum of its proper divisors (1).

47841877 is an equidigital number, since it uses as much as digits as its factorization.

47841877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 351232, while the sum is 46.

The square root of 47841877 is about 6916.7822721263. The cubic root of 47841877 is about 363.0246121124.

The spelling of 47841877 in words is "forty-seven million, eight hundred forty-one thousand, eight hundred seventy-seven".