47487163 has 2 divisors, whose sum is σ = 47487164. Its totient is φ = 47487162.

The previous prime is 47487131. The next prime is 47487173. The reversal of 47487163 is 36178474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47487163 - 2⁵ = 47487131 is a prime.

It is not a weakly prime, because it can be changed into another prime (47487113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23743581 + 23743582.

It is an arithmetic number, because the mean of its divisors is an integer number (23743582).

Almost surely, 2^47487163 is an apocalyptic number.

47487163 is a deficient number, since it is larger than the sum of its proper divisors (1).

47487163 is an equidigital number, since it uses as much as digits as its factorization.

47487163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 47487163 is about 6891.0930192532. The cubic root of 47487163 is about 362.1251945312.

It can be divided in two parts, 4748 and 7163, that added together give a palindrome (11911).

The spelling of 47487163 in words is "forty-seven million, four hundred eighty-seven thousand, one hundred sixty-three".