47463947 has 2 divisors, whose sum is σ = 47463948. Its totient is φ = 47463946.

The previous prime is 47463931. The next prime is 47463953. The reversal of 47463947 is 74936474.

47463947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47463947 - 2⁴ = 47463931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47463898 and 47463907.

It is not a weakly prime, because it can be changed into another prime (47463547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23731973 + 23731974.

It is an arithmetic number, because the mean of its divisors is an integer number (23731974).

Almost surely, 2^47463947 is an apocalyptic number.

47463947 is a deficient number, since it is larger than the sum of its proper divisors (1).

47463947 is an equidigital number, since it uses as much as digits as its factorization.

47463947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 47463947 is about 6889.4083200228. The cubic root of 47463947 is about 362.0661717806.

The spelling of 47463947 in words is "forty-seven million, four hundred sixty-three thousand, nine hundred forty-seven".