272563028474977 has 2 divisors, whose sum is σ = 272563028474978. Its totient is φ = 272563028474976.

The previous prime is 272563028474941. The next prime is 272563028474999. The reversal of 272563028474977 is 779474820365272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271383977797696 + 1179050677281 = 16473736^2 + 1085841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272563028474977 is a prime.

It is a super-2 number, since 2×272563028474977² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272563028474917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136281514237488 + 136281514237489.

It is an arithmetic number, because the mean of its divisors is an integer number (136281514237489).

Almost surely, 2^{272563028474977} is an apocalyptic number.

It is an amenable number.

272563028474977 is a deficient number, since it is larger than the sum of its proper divisors (1).

272563028474977 is an equidigital number, since it uses as much as digits as its factorization.

272563028474977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1991485440, while the sum is 73.

The spelling of 272563028474977 in words is "two hundred seventy-two trillion, five hundred sixty-three billion, twenty-eight million, four hundred seventy-four thousand, nine hundred seventy-seven".