6887885231 has 2 divisors, whose sum is σ = 6887885232. Its totient is φ = 6887885230.

The previous prime is 6887885161. The next prime is 6887885239. The reversal of 6887885231 is 1325887886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6887885231 - 2¹⁰ = 6887884207 is a prime.

It is a super-2 number, since 2×6887885231² = 94885925910855846722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6887885239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443942615 + 3443942616.

It is an arithmetic number, because the mean of its divisors is an integer number (3443942616).

Almost surely, 2^6887885231 is an apocalyptic number.

6887885231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6887885231 is an equidigital number, since it uses as much as digits as its factorization.

6887885231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 56.

The square root of 6887885231 is about 82993.2842524020. The cubic root of 6887885231 is about 1902.6634143659.

The spelling of 6887885231 in words is "six billion, eight hundred eighty-seven million, eight hundred eighty-five thousand, two hundred thirty-one".