47775841 has 2 divisors, whose sum is σ = 47775842. Its totient is φ = 47775840.

The previous prime is 47775817. The next prime is 47775851. The reversal of 47775841 is 14857774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45279441 + 2496400 = 6729^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 47775841 - 2¹¹ = 47773793 is a prime.

It is not a weakly prime, because it can be changed into another prime (47775811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23887920 + 23887921.

It is an arithmetic number, because the mean of its divisors is an integer number (23887921).

Almost surely, 2^47775841 is an apocalyptic number.

It is an amenable number.

47775841 is a deficient number, since it is larger than the sum of its proper divisors (1).

47775841 is an equidigital number, since it uses as much as digits as its factorization.

47775841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219520, while the sum is 43.

The square root of 47775841 is about 6912.0070167788. The cubic root of 47775841 is about 362.8575079416.

The spelling of 47775841 in words is "forty-seven million, seven hundred seventy-five thousand, eight hundred forty-one".