47970163 has 2 divisors, whose sum is σ = 47970164. Its totient is φ = 47970162.

The previous prime is 47970119. The next prime is 47970173. The reversal of 47970163 is 36107974.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47970163 is a prime.

It is a super-2 number, since 2×47970163² = 4602273076493138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47970173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23985081 + 23985082.

It is an arithmetic number, because the mean of its divisors is an integer number (23985082).

Almost surely, 2^47970163 is an apocalyptic number.

47970163 is a deficient number, since it is larger than the sum of its proper divisors (1).

47970163 is an equidigital number, since it uses as much as digits as its factorization.

47970163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 47970163 is about 6926.0495955487. The cubic root of 47970163 is about 363.3488009762.

The spelling of 47970163 in words is "forty-seven million, nine hundred seventy thousand, one hundred sixty-three".