6885873597581 has 32 divisors (see below), whose sum is σ = 8036802602496. Its totient is φ = 5878922649600.

The previous prime is 6885873597541. The next prime is 6885873597643. The reversal of 6885873597581 is 1857953785886.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6885873597581 is a prime.

It is a super-2 number, since 2×6885873597581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6885873597496 and 6885873597505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885873597541) 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, 10147661 + ... + 10804941.

It is an arithmetic number, because the mean of its divisors is an integer number (251150081328).

Almost surely, 2^{6885873597581} is an apocalyptic number.

It is an amenable number.

6885873597581 is a deficient number, since it is larger than the sum of its proper divisors (1150929004915).

6885873597581 is a wasteful number, since it uses less digits than its factorization.

6885873597581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657794 (or 657772 counting only the distinct ones).

The product of its digits is 4064256000, while the sum is 80.

The spelling of 6885873597581 in words is "six trillion, eight hundred eighty-five billion, eight hundred seventy-three million, five hundred ninety-seven thousand, five hundred eighty-one".