871380308336877 has 12 divisors (see below), whose sum is σ = 1258660908331164. Its totient is φ = 580919991886080.

The previous prime is 871380308336801. The next prime is 871380308336921. The reversal of 871380308336877 is 778633803083178.

871380308336877 is a `hidden beast` number, since 8 + 7 + 13 + 80 + 30 + 83 + 368 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112751395454916 + 758628912881961 = 10618446^2 + 27543219^2 .

It is not a de Polignac number, because 871380308336877 - 2²⁰ = 871380307288301 is a prime.

It is a super-2 number, since 2×871380308336877² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871380308236877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10368477 + ... + 43014717.

It is an arithmetic number, because the mean of its divisors is an integer number (104888409027597).

Almost surely, 2^{871380308336877} is an apocalyptic number.

It is an amenable number.

871380308336877 is a deficient number, since it is larger than the sum of its proper divisors (387280599994287).

871380308336877 is a wasteful number, since it uses less digits than its factorization.

871380308336877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35611980 (or 35611977 counting only the distinct ones).

The product of its (nonzero) digits is 682795008, while the sum is 72.

The spelling of 871380308336877 in words is "eight hundred seventy-one trillion, three hundred eighty billion, three hundred eight million, three hundred thirty-six thousand, eight hundred seventy-seven".