47656727 has 2 divisors, whose sum is σ = 47656728. Its totient is φ = 47656726.

The previous prime is 47656717. The next prime is 47656783. The reversal of 47656727 is 72765674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47656727 - 2⁴ = 47656711 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_2868776 and since 47656727 and 2868776 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47656717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23828363 + 23828364.

It is an arithmetic number, because the mean of its divisors is an integer number (23828364).

Almost surely, 2^47656727 is an apocalyptic number.

47656727 is a deficient number, since it is larger than the sum of its proper divisors (1).

47656727 is an equidigital number, since it uses as much as digits as its factorization.

47656727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The square root of 47656727 is about 6903.3851840963. The cubic root of 47656727 is about 362.5557000418. Note that the first 3 decimals are identical.

The spelling of 47656727 in words is "forty-seven million, six hundred fifty-six thousand, seven hundred twenty-seven".