47000117 has 2 divisors, whose sum is σ = 47000118. Its totient is φ = 47000116.

The previous prime is 47000081. The next prime is 47000143. The reversal of 47000117 is 71100074.

47000117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46977316 + 22801 = 6854^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 47000117 - 2⁸ = 46999861 is a prime.

It is a Chen prime.

47000117 is a modest number, since divided by 117 gives 47 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47000717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23500058 + 23500059.

It is an arithmetic number, because the mean of its divisors is an integer number (23500059).

Almost surely, 2^47000117 is an apocalyptic number.

It is an amenable number.

47000117 is a deficient number, since it is larger than the sum of its proper divisors (1).

47000117 is an equidigital number, since it uses as much as digits as its factorization.

47000117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 47000117 is about 6855.6631334977. The cubic root of 47000117 is about 360.8829074694.

The spelling of 47000117 in words is "forty-seven million, one hundred seventeen", and thus it is an aban number.