47163157 has 2 divisors, whose sum is σ = 47163158. Its totient is φ = 47163156.

The previous prime is 47163143. The next prime is 47163169. The reversal of 47163157 is 75136174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 4639716 = 6521^2 + 2154^2 .

It is a cyclic number.

It is not a de Polignac number, because 47163157 - 2¹⁹ = 46638869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47163107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23581578 + 23581579.

It is an arithmetic number, because the mean of its divisors is an integer number (23581579).

Almost surely, 2^47163157 is an apocalyptic number.

It is an amenable number.

47163157 is a deficient number, since it is larger than the sum of its proper divisors (1).

47163157 is an equidigital number, since it uses as much as digits as its factorization.

47163157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 47163157 is about 6867.5437384847. The cubic root of 47163157 is about 361.2997180965.

The spelling of 47163157 in words is "forty-seven million, one hundred sixty-three thousand, one hundred fifty-seven".