871380556762287 has 96 divisors (see below), whose sum is σ = 1379445436131840. Its totient is φ = 486017336851200.

The previous prime is 871380556762259. The next prime is 871380556762319. The reversal of 871380556762287 is 782267655083178.

It is not a de Polignac number, because 871380556762287 - 2²⁰ = 871380555713711 is a prime.

It is a super-4 number, since 4×871380556762287⁴ (a number of 61 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871380556762217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4848536353 + ... + 4848716069.

It is an arithmetic number, because the mean of its divisors is an integer number (14369223293040).

Almost surely, 2^{871380556762287} is an apocalyptic number.

871380556762287 is a deficient number, since it is larger than the sum of its proper divisors (508064879369553).

871380556762287 is a wasteful number, since it uses less digits than its factorization.

871380556762287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182845 (or 182834 counting only the distinct ones).

The product of its (nonzero) digits is 1896652800, while the sum is 75.

The spelling of 871380556762287 in words is "eight hundred seventy-one trillion, three hundred eighty billion, five hundred fifty-six million, seven hundred sixty-two thousand, two hundred eighty-seven".