6904677677 has 2 divisors, whose sum is σ = 6904677678. Its totient is φ = 6904677676.

The previous prime is 6904677673. The next prime is 6904677679. The reversal of 6904677677 is 7767764096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6900458761 + 4218916 = 83069^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 6904677677 - 2² = 6904677673 is a prime.

Together with 6904677679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6904677673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452338838 + 3452338839.

It is an arithmetic number, because the mean of its divisors is an integer number (3452338839).

Almost surely, 2^6904677677 is an apocalyptic number.

It is an amenable number.

6904677677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6904677677 is an equidigital number, since it uses as much as digits as its factorization.

6904677677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18670176, while the sum is 59.

The square root of 6904677677 is about 83094.3901656423. The cubic root of 6904677677 is about 1904.2083705712.

The spelling of 6904677677 in words is "six billion, nine hundred four million, six hundred seventy-seven thousand, six hundred seventy-seven".