47686427 has 2 divisors, whose sum is σ = 47686428. Its totient is φ = 47686426.

The previous prime is 47686423. The next prime is 47686433. The reversal of 47686427 is 72468674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47686427 - 2² = 47686423 is a prime.

It is not a weakly prime, because it can be changed into another prime (47686421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23843213 + 23843214.

It is an arithmetic number, because the mean of its divisors is an integer number (23843214).

Almost surely, 2^47686427 is an apocalyptic number.

47686427 is a deficient number, since it is larger than the sum of its proper divisors (1).

47686427 is an equidigital number, since it uses as much as digits as its factorization.

47686427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 44.

The square root of 47686427 is about 6905.5359676132. The cubic root of 47686427 is about 362.6310001367.

The spelling of 47686427 in words is "forty-seven million, six hundred eighty-six thousand, four hundred twenty-seven".