876359971881 has 9 divisors (see below), whose sum is σ = 1265857349341. Its totient is φ = 584238108972.

The previous prime is 876359971859. The next prime is 876359971919. The reversal of 876359971881 is 188179953678.

The square root of 876359971881 is 936141.

It is a perfect power (a square), and thus also a powerful number.

876359971881 is a `hidden beast` number, since 8 + 7 + 6 + 359 + 97 + 188 + 1 = 666.

876359971881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 876359971881 - 2¹¹ = 876359969833 is a prime.

It is a super-2 number, since 2×876359971881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876359970881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2652400 + ... + 2964446.

Almost surely, 2^876359971881 is an apocalyptic number.

876359971881 is the 936141-st square number.

876359971881 is the 468071-st centered octagonal number.

It is an amenable number.

876359971881 is a deficient number, since it is larger than the sum of its proper divisors (389497377460).

876359971881 is an frugal number, since it uses more digits than its factorization.

876359971881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624100 (or 312050 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 72.

The spelling of 876359971881 in words is "eight hundred seventy-six billion, three hundred fifty-nine million, nine hundred seventy-one thousand, eight hundred eighty-one".