47057177 has 2 divisors, whose sum is σ = 47057178. Its totient is φ = 47057176.

The previous prime is 47057147. The next prime is 47057191. The reversal of 47057177 is 77175074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47004736 + 52441 = 6856^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 47057177 - 2⁶ = 47057113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47057177.

It is not a weakly prime, because it can be changed into another prime (47057117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23528588 + 23528589.

It is an arithmetic number, because the mean of its divisors is an integer number (23528589).

Almost surely, 2^47057177 is an apocalyptic number.

It is an amenable number.

47057177 is a deficient number, since it is larger than the sum of its proper divisors (1).

47057177 is an equidigital number, since it uses as much as digits as its factorization.

47057177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48020, while the sum is 38.

The square root of 47057177 is about 6859.8233942282. The cubic root of 47057177 is about 361.0288904475.

The spelling of 47057177 in words is "forty-seven million, fifty-seven thousand, one hundred seventy-seven".