6788387 has 2 divisors, whose sum is σ = 6788388. Its totient is φ = 6788386.

The previous prime is 6788357. The next prime is 6788393. The reversal of 6788387 is 7838876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6788387 - 2⁶ = 6788323 is a prime.

It is an Ulam number.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (6788357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3394193 + 3394194.

It is an arithmetic number, because the mean of its divisors is an integer number (3394194).

Almost surely, 2^6788387 is an apocalyptic number.

6788387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6788387 is an equidigital number, since it uses as much as digits as its factorization.

6788387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The square root of 6788387 is about 2605.4533194820. The cubic root of 6788387 is about 189.3457367092.

The spelling of 6788387 in words is "six million, seven hundred eighty-eight thousand, three hundred eighty-seven".