277113130527257 has 2 divisors, whose sum is σ = 277113130527258. Its totient is φ = 277113130527256.

The previous prime is 277113130527229. The next prime is 277113130527263. The reversal of 277113130527257 is 752725031311772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220647584432521 + 56465546094736 = 14854211^2 + 7514356^2 .

It is a cyclic number.

It is not a de Polignac number, because 277113130527257 - 2²² = 277113126332953 is a prime.

It is a super-2 number, since 2×277113130527257² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 277113130527199 and 277113130527208.

It is not a weakly prime, because it can be changed into another prime (277113130524257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138556565263628 + 138556565263629.

It is an arithmetic number, because the mean of its divisors is an integer number (138556565263629).

Almost surely, 2^{277113130527257} is an apocalyptic number.

It is an amenable number.

277113130527257 is a deficient number, since it is larger than the sum of its proper divisors (1).

277113130527257 is an equidigital number, since it uses as much as digits as its factorization.

277113130527257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4321800, while the sum is 53.

The spelling of 277113130527257 in words is "two hundred seventy-seven trillion, one hundred thirteen billion, one hundred thirty million, five hundred twenty-seven thousand, two hundred fifty-seven".