6977407 has 2 divisors, whose sum is σ = 6977408. Its totient is φ = 6977406.

The previous prime is 6977393. The next prime is 6977419. The reversal of 6977407 is 7047796.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6977407 - 2⁷ = 6977279 is a prime.

It is a Chen prime.

6977407 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6977407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6977107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488703 + 3488704.

It is an arithmetic number, because the mean of its divisors is an integer number (3488704).

Almost surely, 2^6977407 is an apocalyptic number.

6977407 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977407 is an equidigital number, since it uses as much as digits as its factorization.

6977407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 6977407 is about 2641.4781846534. The cubic root of 6977407 is about 191.0870923959.

The spelling of 6977407 in words is "six million, nine hundred seventy-seven thousand, four hundred seven".