881421404124188 has 48 divisors (see below), whose sum is σ = 1545149061679104. Its totient is φ = 439950944072640.

The previous prime is 881421404124161. The next prime is 881421404124223.

881421404124188 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48759265406 + ... + 48759283482.

It is an arithmetic number, because the mean of its divisors is an integer number (32190605451648).

Almost surely, 2^{881421404124188} is an apocalyptic number.

It is an amenable number.

881421404124188 is a deficient number, since it is larger than the sum of its proper divisors (663727657554916).

881421404124188 is a wasteful number, since it uses less digits than its factorization.

881421404124188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26642 (or 26640 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 56.

The spelling of 881421404124188 in words is "eight hundred eighty-one trillion, four hundred twenty-one billion, four hundred four million, one hundred twenty-four thousand, one hundred eighty-eight".