871351504272677 has 2 divisors, whose sum is σ = 871351504272678. Its totient is φ = 871351504272676.

The previous prime is 871351504272617. The next prime is 871351504272787. The reversal of 871351504272677 is 776272405153178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519655154034916 + 351696350237761 = 22795946^2 + 18753569^2 .

It is a cyclic number.

It is not a de Polignac number, because 871351504272677 - 2²² = 871351500078373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871351504272617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435675752136338 + 435675752136339.

It is an arithmetic number, because the mean of its divisors is an integer number (435675752136339).

Almost surely, 2^{871351504272677} is an apocalyptic number.

It is an amenable number.

871351504272677 is a deficient number, since it is larger than the sum of its proper divisors (1).

871351504272677 is an equidigital number, since it uses as much as digits as its factorization.

871351504272677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138297600, while the sum is 65.

The spelling of 871351504272677 in words is "eight hundred seventy-one trillion, three hundred fifty-one billion, five hundred four million, two hundred seventy-two thousand, six hundred seventy-seven".