47257547177 has 2 divisors, whose sum is σ = 47257547178. Its totient is φ = 47257547176.

The previous prime is 47257547173. The next prime is 47257547179. The reversal of 47257547177 is 77174575274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46250373481 + 1007173696 = 215059^2 + 31736^2 .

It is a cyclic number.

It is not a de Polignac number, because 47257547177 - 2² = 47257547173 is a prime.

Together with 47257547179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47257547173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23628773588 + 23628773589.

It is an arithmetic number, because the mean of its divisors is an integer number (23628773589).

Almost surely, 2^47257547177 is an apocalyptic number.

It is an amenable number.

47257547177 is a deficient number, since it is larger than the sum of its proper divisors (1).

47257547177 is an equidigital number, since it uses as much as digits as its factorization.

47257547177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13445600, while the sum is 56.

The spelling of 47257547177 in words is "forty-seven billion, two hundred fifty-seven million, five hundred forty-seven thousand, one hundred seventy-seven".