47990611 has 2 divisors, whose sum is σ = 47990612. Its totient is φ = 47990610.

The previous prime is 47990603. The next prime is 47990647. The reversal of 47990611 is 11609974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47990611 - 2³ = 47990603 is a prime.

It is not a weakly prime, because it can be changed into another prime (47990651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23995305 + 23995306.

It is an arithmetic number, because the mean of its divisors is an integer number (23995306).

Almost surely, 2^47990611 is an apocalyptic number.

47990611 is a deficient number, since it is larger than the sum of its proper divisors (1).

47990611 is an equidigital number, since it uses as much as digits as its factorization.

47990611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 47990611 is about 6927.5256044276. The cubic root of 47990611 is about 363.4004212640.

The spelling of 47990611 in words is "forty-seven million, nine hundred ninety thousand, six hundred eleven".