47009663 has 2 divisors, whose sum is σ = 47009664. Its totient is φ = 47009662.

The previous prime is 47009653. The next prime is 47009687. The reversal of 47009663 is 36690074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47009663 - 2⁸ = 47009407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47009603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23504831 + 23504832.

It is an arithmetic number, because the mean of its divisors is an integer number (23504832).

Almost surely, 2^47009663 is an apocalyptic number.

47009663 is a deficient number, since it is larger than the sum of its proper divisors (1).

47009663 is an equidigital number, since it uses as much as digits as its factorization.

47009663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 47009663 is about 6856.3593108880. The cubic root of 47009663 is about 360.9073382953.

The spelling of 47009663 in words is "forty-seven million, nine thousand, six hundred sixty-three".