47885197 has 2 divisors, whose sum is σ = 47885198. Its totient is φ = 47885196.

The previous prime is 47885161. The next prime is 47885203. The reversal of 47885197 is 79158874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29746116 + 18139081 = 5454^2 + 4259^2 .

It is a cyclic number.

It is not a de Polignac number, because 47885197 - 2¹⁵ = 47852429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47885197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47885137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23942598 + 23942599.

It is an arithmetic number, because the mean of its divisors is an integer number (23942599).

Almost surely, 2^47885197 is an apocalyptic number.

It is an amenable number.

47885197 is a deficient number, since it is larger than the sum of its proper divisors (1).

47885197 is an equidigital number, since it uses as much as digits as its factorization.

47885197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 49.

The square root of 47885197 is about 6919.9130774888. The cubic root of 47885197 is about 363.1341499132.

The spelling of 47885197 in words is "forty-seven million, eight hundred eighty-five thousand, one hundred ninety-seven".