47783929 has 2 divisors, whose sum is σ = 47783930. Its totient is φ = 47783928.

The previous prime is 47783893. The next prime is 47783933. The reversal of 47783929 is 92938774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43204329 + 4579600 = 6573^2 + 2140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47783929 is a prime.

It is not a weakly prime, because it can be changed into another prime (47783969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23891964 + 23891965.

It is an arithmetic number, because the mean of its divisors is an integer number (23891965).

Almost surely, 2^47783929 is an apocalyptic number.

It is an amenable number.

47783929 is a deficient number, since it is larger than the sum of its proper divisors (1).

47783929 is an equidigital number, since it uses as much as digits as its factorization.

47783929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 47783929 is about 6912.5920608698. The cubic root of 47783929 is about 362.8779829059.

The spelling of 47783929 in words is "forty-seven million, seven hundred eighty-three thousand, nine hundred twenty-nine".