276776867154133 has 2 divisors, whose sum is σ = 276776867154134. Its totient is φ = 276776867154132.

The previous prime is 276776867154031. The next prime is 276776867154173. The reversal of 276776867154133 is 331451768677672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248909374567044 + 27867492587089 = 15776862^2 + 5278967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276776867154133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276776867154173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138388433577066 + 138388433577067.

It is an arithmetic number, because the mean of its divisors is an integer number (138388433577067).

Almost surely, 2^{276776867154133} is an apocalyptic number.

It is an amenable number.

276776867154133 is a deficient number, since it is larger than the sum of its proper divisors (1).

276776867154133 is an equidigital number, since it uses as much as digits as its factorization.

276776867154133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1493614080, while the sum is 73.

The spelling of 276776867154133 in words is "two hundred seventy-six trillion, seven hundred seventy-six billion, eight hundred sixty-seven million, one hundred fifty-four thousand, one hundred thirty-three".