47689963 has 2 divisors, whose sum is σ = 47689964. Its totient is φ = 47689962.

The previous prime is 47689931. The next prime is 47689969. The reversal of 47689963 is 36998674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47689963 - 2⁵ = 47689931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47689963.

It is not a weakly prime, because it can be changed into another prime (47689969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23844981 + 23844982.

It is an arithmetic number, because the mean of its divisors is an integer number (23844982).

Almost surely, 2^47689963 is an apocalyptic number.

47689963 is a deficient number, since it is larger than the sum of its proper divisors (1).

47689963 is an equidigital number, since it uses as much as digits as its factorization.

47689963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 47689963 is about 6905.7919893376. The cubic root of 47689963 is about 362.6399630751.

The spelling of 47689963 in words is "forty-seven million, six hundred eighty-nine thousand, nine hundred sixty-three".