274906874887 has 2 divisors, whose sum is σ = 274906874888. Its totient is φ = 274906874886.

The previous prime is 274906874789. The next prime is 274906874911. The reversal of 274906874887 is 788478609472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274906874887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274906872887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137453437443 + 137453437444.

It is an arithmetic number, because the mean of its divisors is an integer number (137453437444).

Almost surely, 2^274906874887 is an apocalyptic number.

274906874887 is a deficient number, since it is larger than the sum of its proper divisors (1).

274906874887 is an equidigital number, since it uses as much as digits as its factorization.

274906874887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303464448, while the sum is 70.

The spelling of 274906874887 in words is "two hundred seventy-four billion, nine hundred six million, eight hundred seventy-four thousand, eight hundred eighty-seven".