47756658277 has 2 divisors, whose sum is σ = 47756658278. Its totient is φ = 47756658276.

The previous prime is 47756658197. The next prime is 47756658293. The reversal of 47756658277 is 77285665774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39648376161 + 8108282116 = 199119^2 + 90046^2 .

It is a cyclic number.

It is not a de Polignac number, because 47756658277 - 2⁷ = 47756658149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47756658877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23878329138 + 23878329139.

It is an arithmetic number, because the mean of its divisors is an integer number (23878329139).

Almost surely, 2^47756658277 is an apocalyptic number.

It is an amenable number.

47756658277 is a deficient number, since it is larger than the sum of its proper divisors (1).

47756658277 is an equidigital number, since it uses as much as digits as its factorization.

47756658277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138297600, while the sum is 64.

The spelling of 47756658277 in words is "forty-seven billion, seven hundred fifty-six million, six hundred fifty-eight thousand, two hundred seventy-seven".