47718563 has 2 divisors, whose sum is σ = 47718564. Its totient is φ = 47718562.

The previous prime is 47718529. The next prime is 47718581. The reversal of 47718563 is 36581774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47718563 - 2⁶ = 47718499 is a prime.

It is a super-2 number, since 2×47718563² = 4554122509569938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47718563.

It is not a weakly prime, because it can be changed into another prime (47718523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23859281 + 23859282.

It is an arithmetic number, because the mean of its divisors is an integer number (23859282).

Almost surely, 2^47718563 is an apocalyptic number.

47718563 is a deficient number, since it is larger than the sum of its proper divisors (1).

47718563 is an equidigital number, since it uses as much as digits as its factorization.

47718563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 47718563 is about 6907.8624045359. The cubic root of 47718563 is about 362.7124411515.

The spelling of 47718563 in words is "forty-seven million, seven hundred eighteen thousand, five hundred sixty-three".