47766659 has 2 divisors, whose sum is σ = 47766660. Its totient is φ = 47766658.

The previous prime is 47766623. The next prime is 47766689. The reversal of 47766659 is 95666774.

47766659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47766659 is a prime.

It is not a weakly prime, because it can be changed into another prime (47766689) 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, 23883329 + 23883330.

It is an arithmetic number, because the mean of its divisors is an integer number (23883330).

Almost surely, 2^47766659 is an apocalyptic number.

47766659 is a deficient number, since it is larger than the sum of its proper divisors (1).

47766659 is an equidigital number, since it uses as much as digits as its factorization.

47766659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 50.

The square root of 47766659 is about 6911.3427783608. The cubic root of 47766659 is about 362.8342606892.

The spelling of 47766659 in words is "forty-seven million, seven hundred sixty-six thousand, six hundred fifty-nine".