6107821881 has 16 divisors (see below), whose sum is σ = 9308448768. Its totient is φ = 3489699600.

The previous prime is 6107821843. The next prime is 6107821891. The reversal of 6107821881 is 1881287016.

It is not a de Polignac number, because 6107821881 - 2¹⁰ = 6107820857 is a prime.

It is a super-2 number, since 2×6107821881² = 74610976260044756322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6107821831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181726 + ... + 212696.

It is an arithmetic number, because the mean of its divisors is an integer number (581778048).

Almost surely, 2^6107821881 is an apocalyptic number.

It is an amenable number.

6107821881 is a deficient number, since it is larger than the sum of its proper divisors (3200626887).

6107821881 is a wasteful number, since it uses less digits than its factorization.

6107821881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40372.

The product of its (nonzero) digits is 43008, while the sum is 42.

The square root of 6107821881 is about 78152.5551789575. Note that the first 3 decimals coincide. The cubic root of 6107821881 is about 1827.9407775640.

The spelling of 6107821881 in words is "six billion, one hundred seven million, eight hundred twenty-one thousand, eight hundred eighty-one".