6696787 has 2 divisors, whose sum is σ = 6696788. Its totient is φ = 6696786.

The previous prime is 6696779. The next prime is 6696799. The reversal of 6696787 is 7876966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6696787 - 2³ = 6696779 is a prime.

It is a super-2 number, since 2×6696787² = 89693912246738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6696787.

It is not a weakly prime, because it can be changed into another prime (6696707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348393 + 3348394.

It is an arithmetic number, because the mean of its divisors is an integer number (3348394).

Almost surely, 2^6696787 is an apocalyptic number.

6696787 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696787 is an equidigital number, since it uses as much as digits as its factorization.

6696787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 6696787 is about 2587.8151015867. The cubic root of 6696787 is about 188.4902231630.

The spelling of 6696787 in words is "six million, six hundred ninety-six thousand, seven hundred eighty-seven".