47783933 has 2 divisors, whose sum is σ = 47783934. Its totient is φ = 47783932.

The previous prime is 47783929. The next prime is 47783947. The reversal of 47783933 is 33938774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47706649 + 77284 = 6907^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 47783933 - 2² = 47783929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_2875949 and since 47783933 and 2875949 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47780933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23891966 + 23891967.

It is an arithmetic number, because the mean of its divisors is an integer number (23891967).

Almost surely, 2^47783933 is an apocalyptic number.

It is an amenable number.

47783933 is a deficient number, since it is larger than the sum of its proper divisors (1).

47783933 is an equidigital number, since it uses as much as digits as its factorization.

47783933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 44.

The square root of 47783933 is about 6912.5923501968. The cubic root of 47783933 is about 362.8779930315.

The spelling of 47783933 in words is "forty-seven million, seven hundred eighty-three thousand, nine hundred thirty-three".