2957983985881 has 32 divisors (see below), whose sum is σ = 3248618400000. Its totient is φ = 2680828372992.

The previous prime is 2957983985867. The next prime is 2957983985909. The reversal of 2957983985881 is 1885893897592.

2957983985881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2957983985881 - 2²³ = 2957975597273 is a prime.

It is a super-2 number, since 2×2957983985881² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2957983985795 and 2957983985804.

It is not an unprimeable number, because it can be changed into a prime (2957983985861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501605325 + ... + 501611221.

It is an arithmetic number, because the mean of its divisors is an integer number (101519325000).

Almost surely, 2^{2957983985881} is an apocalyptic number.

It is an amenable number.

2957983985881 is a deficient number, since it is larger than the sum of its proper divisors (290634414119).

2957983985881 is a wasteful number, since it uses less digits than its factorization.

2957983985881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481.

The product of its digits is 3135283200, while the sum is 82.

The spelling of 2957983985881 in words is "two trillion, nine hundred fifty-seven billion, nine hundred eighty-three million, nine hundred eighty-five thousand, eight hundred eighty-one".