6987727 has 2 divisors, whose sum is σ = 6987728. Its totient is φ = 6987726.

The previous prime is 6987719. The next prime is 6987737. The reversal of 6987727 is 7277896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6987727 - 2³ = 6987719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6987707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493863 + 3493864.

It is an arithmetic number, because the mean of its divisors is an integer number (3493864).

Almost surely, 2^6987727 is an apocalyptic number.

6987727 is a deficient number, since it is larger than the sum of its proper divisors (1).

6987727 is an equidigital number, since it uses as much as digits as its factorization.

6987727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 46.

The square root of 6987727 is about 2643.4309145503. The cubic root of 6987727 is about 191.1812557122.

The spelling of 6987727 in words is "six million, nine hundred eighty-seven thousand, seven hundred twenty-seven".