84047933 has 2 divisors, whose sum is σ = 84047934. Its totient is φ = 84047932.

The previous prime is 84047923. The next prime is 84047941. The reversal of 84047933 is 33974048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78464164 + 5583769 = 8858^2 + 2363^2 .

It is a cyclic number.

It is not a de Polignac number, because 84047933 - 2⁴ = 84047917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84047903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42023966 + 42023967.

It is an arithmetic number, because the mean of its divisors is an integer number (42023967).

Almost surely, 2^84047933 is an apocalyptic number.

It is an amenable number.

84047933 is a deficient number, since it is larger than the sum of its proper divisors (1).

84047933 is an equidigital number, since it uses as much as digits as its factorization.

84047933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 84047933 is about 9167.7659765070. The cubic root of 84047933 is about 438.0352011213.

The spelling of 84047933 in words is "eighty-four million, forty-seven thousand, nine hundred thirty-three".