6897062677 has 2 divisors, whose sum is σ = 6897062678. Its totient is φ = 6897062676.

The previous prime is 6897062657. The next prime is 6897062687. The reversal of 6897062677 is 7762607986.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6552254916 + 344807761 = 80946^2 + 18569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6897062677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6897062657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448531338 + 3448531339.

It is an arithmetic number, because the mean of its divisors is an integer number (3448531339).

Almost surely, 2^6897062677 is an apocalyptic number.

It is an amenable number.

6897062677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6897062677 is an equidigital number, since it uses as much as digits as its factorization.

6897062677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The square root of 6897062677 is about 83048.5561403689. The cubic root of 6897062677 is about 1903.5080781291.

The spelling of 6897062677 in words is "six billion, eight hundred ninety-seven million, sixty-two thousand, six hundred seventy-seven".