871226107088929 has 2 divisors, whose sum is σ = 871226107088930. Its totient is φ = 871226107088928.

The previous prime is 871226107088903. The next prime is 871226107089053. The reversal of 871226107088929 is 929880701622178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500322726731025 + 370903380357904 = 22367895^2 + 19258852^2 .

It is a cyclic number.

It is not a de Polignac number, because 871226107088929 - 2³³ = 871217517154337 is a prime.

It is not a weakly prime, because it can be changed into another prime (871226107080929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435613053544464 + 435613053544465.

It is an arithmetic number, because the mean of its divisors is an integer number (435613053544465).

Almost surely, 2^{871226107088929} is an apocalyptic number.

It is an amenable number.

871226107088929 is a deficient number, since it is larger than the sum of its proper divisors (1).

871226107088929 is an equidigital number, since it uses as much as digits as its factorization.

871226107088929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97542144, while the sum is 70.

The spelling of 871226107088929 in words is "eight hundred seventy-one trillion, two hundred twenty-six billion, one hundred seven million, eighty-eight thousand, nine hundred twenty-nine".