6872911 has 2 divisors, whose sum is σ = 6872912. Its totient is φ = 6872910.

The previous prime is 6872909. The next prime is 6872933. The reversal of 6872911 is 1192786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6872911 - 2¹ = 6872909 is a prime.

It is a super-2 number, since 2×6872911² = 94473811227842, which contains 22 as substring.

Together with 6872909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6872941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436455 + 3436456.

It is an arithmetic number, because the mean of its divisors is an integer number (3436456).

Almost surely, 2^6872911 is an apocalyptic number.

6872911 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872911 is an equidigital number, since it uses as much as digits as its factorization.

6872911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 6872911 is about 2621.6237334904. The cubic root of 6872911 is about 190.1283620139.

It can be divided in two parts, 6 and 872911, that multiplied together give a triangular number (5237466 = T₃₂₃₆).

The spelling of 6872911 in words is "six million, eight hundred seventy-two thousand, nine hundred eleven".