878741164881 has 24 divisors (see below), whose sum is σ = 1311404063424. Its totient is φ = 566581093920.

The previous prime is 878741164879. The next prime is 878741164883. The reversal of 878741164881 is 188461147878.

878741164881 is a `hidden beast` number, since 8 + 7 + 87 + 411 + 64 + 8 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (878741164879) and next prime (878741164883).

It is not a de Polignac number, because 878741164881 - 2¹ = 878741164879 is a prime.

It is a super-2 number, since 2×878741164881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (878741164883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7845175 + ... + 7956396.

It is an arithmetic number, because the mean of its divisors is an integer number (54641835976).

Almost surely, 2^878741164881 is an apocalyptic number.

It is an amenable number.

878741164881 is a deficient number, since it is larger than the sum of its proper divisors (432662898543).

878741164881 is a wasteful number, since it uses less digits than its factorization.

878741164881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15801781 (or 15801778 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 63.

The spelling of 878741164881 in words is "eight hundred seventy-eight billion, seven hundred forty-one million, one hundred sixty-four thousand, eight hundred eighty-one".