47992163 has 2 divisors, whose sum is σ = 47992164. Its totient is φ = 47992162.

The previous prime is 47992151. The next prime is 47992183. The reversal of 47992163 is 36129974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47992163 - 2⁸ = 47991907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47992163.

It is not a weakly prime, because it can be changed into another prime (47992183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23996081 + 23996082.

It is an arithmetic number, because the mean of its divisors is an integer number (23996082).

Almost surely, 2^47992163 is an apocalyptic number.

47992163 is a deficient number, since it is larger than the sum of its proper divisors (1).

47992163 is an equidigital number, since it uses as much as digits as its factorization.

47992163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 47992163 is about 6927.6376204302. The cubic root of 47992163 is about 363.4043386370.

The spelling of 47992163 in words is "forty-seven million, nine hundred ninety-two thousand, one hundred sixty-three".