47008471 has 2 divisors, whose sum is σ = 47008472. Its totient is φ = 47008470.

The previous prime is 47008441. The next prime is 47008477. The reversal of 47008471 is 17480074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47008471 - 2⁹ = 47007959 is a prime.

It is a super-3 number, since 3×47008471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47008477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23504235 + 23504236.

It is an arithmetic number, because the mean of its divisors is an integer number (23504236).

Almost surely, 2^47008471 is an apocalyptic number.

47008471 is a deficient number, since it is larger than the sum of its proper divisors (1).

47008471 is an equidigital number, since it uses as much as digits as its factorization.

47008471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 47008471 is about 6856.2723837374. The cubic root of 47008471 is about 360.9042878219.

The spelling of 47008471 in words is "forty-seven million, eight thousand, four hundred seventy-one".