6987907 has 2 divisors, whose sum is σ = 6987908. Its totient is φ = 6987906.

The previous prime is 6987863. The next prime is 6987923. The reversal of 6987907 is 7097896.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6987907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6987107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493953 + 3493954.

It is an arithmetic number, because the mean of its divisors is an integer number (3493954).

Almost surely, 2^6987907 is an apocalyptic number.

6987907 is a deficient number, since it is larger than the sum of its proper divisors (1).

6987907 is an equidigital number, since it uses as much as digits as its factorization.

6987907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 6987907 is about 2643.4649609934. The cubic root of 6987907 is about 191.1828972728.

The spelling of 6987907 in words is "six million, nine hundred eighty-seven thousand, nine hundred seven".