47804791 has 2 divisors, whose sum is σ = 47804792. Its totient is φ = 47804790.

The previous prime is 47804767. The next prime is 47804807. The reversal of 47804791 is 19740874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47804791 - 2⁹ = 47804279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47804761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23902395 + 23902396.

It is an arithmetic number, because the mean of its divisors is an integer number (23902396).

Almost surely, 2^47804791 is an apocalyptic number.

47804791 is a deficient number, since it is larger than the sum of its proper divisors (1).

47804791 is an equidigital number, since it uses as much as digits as its factorization.

47804791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 47804791 is about 6914.1008815319. The cubic root of 47804791 is about 362.9307848918.

The spelling of 47804791 in words is "forty-seven million, eight hundred four thousand, seven hundred ninety-one".