47605891 has 2 divisors, whose sum is σ = 47605892. Its totient is φ = 47605890.

The previous prime is 47605871. The next prime is 47605897. The reversal of 47605891 is 19850674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47605891 - 2⁹ = 47605379 is a prime.

It is not a weakly prime, because it can be changed into another prime (47605897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23802945 + 23802946.

It is an arithmetic number, because the mean of its divisors is an integer number (23802946).

Almost surely, 2^47605891 is an apocalyptic number.

47605891 is a deficient number, since it is larger than the sum of its proper divisors (1).

47605891 is an equidigital number, since it uses as much as digits as its factorization.

47605891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 47605891 is about 6899.7022399521. The cubic root of 47605891 is about 362.4267400111.

The spelling of 47605891 in words is "forty-seven million, six hundred five thousand, eight hundred ninety-one".