6887492830081 has 4 divisors (see below), whose sum is σ = 6887992335700. Its totient is φ = 6886993324464.

The previous prime is 6887492830073. The next prime is 6887492830091. The reversal of 6887492830081 is 1800382947886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4879062499600 + 2008430330481 = 2208860^2 + 1417191^2 .

It is a cyclic number.

It is not a de Polignac number, because 6887492830081 - 2³ = 6887492830073 is a prime.

It is a super-2 number, since 2×6887492830081² (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 = 6887492829995 and 6887492830022.

It is not an unprimeable number, because it can be changed into a prime (6887492830091) 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 3 ways as a sum of consecutive naturals, for example, 249732126 + ... + 249759703.

It is an arithmetic number, because the mean of its divisors is an integer number (1721998083925).

Almost surely, 2^{6887492830081} is an apocalyptic number.

It is an amenable number.

6887492830081 is a deficient number, since it is larger than the sum of its proper divisors (499505619).

6887492830081 is a wasteful number, since it uses less digits than its factorization.

6887492830081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499505618.

The product of its (nonzero) digits is 37158912, while the sum is 64.

The spelling of 6887492830081 in words is "six trillion, eight hundred eighty-seven billion, four hundred ninety-two million, eight hundred thirty thousand, eighty-one".