771127227553 has 2 divisors, whose sum is σ = 771127227554. Its totient is φ = 771127227552.

The previous prime is 771127227523. The next prime is 771127227569. The reversal of 771127227553 is 355722721177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736115952784 + 35011274769 = 857972^2 + 187113^2 .

It is a cyclic number.

It is not a de Polignac number, because 771127227553 - 2⁹ = 771127227041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 771127227497 and 771127227506.

It is not a weakly prime, because it can be changed into another prime (771127227523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385563613776 + 385563613777.

It is an arithmetic number, because the mean of its divisors is an integer number (385563613777).

Almost surely, 2^771127227553 is an apocalyptic number.

It is an amenable number.

771127227553 is a deficient number, since it is larger than the sum of its proper divisors (1).

771127227553 is an equidigital number, since it uses as much as digits as its factorization.

771127227553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440600, while the sum is 49.

The spelling of 771127227553 in words is "seven hundred seventy-one billion, one hundred twenty-seven million, two hundred twenty-seven thousand, five hundred fifty-three".