47708447 has 2 divisors, whose sum is σ = 47708448. Its totient is φ = 47708446.

The previous prime is 47708413. The next prime is 47708471. The reversal of 47708447 is 74480774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47708447 - 2⁸ = 47708191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47708407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23854223 + 23854224.

It is an arithmetic number, because the mean of its divisors is an integer number (23854224).

Almost surely, 2^47708447 is an apocalyptic number.

47708447 is a deficient number, since it is larger than the sum of its proper divisors (1).

47708447 is an equidigital number, since it uses as much as digits as its factorization.

47708447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175616, while the sum is 41.

The square root of 47708447 is about 6907.1301565846. The cubic root of 47708447 is about 362.6868085106.

The spelling of 47708447 in words is "forty-seven million, seven hundred eight thousand, four hundred forty-seven".