6894977 has 2 divisors, whose sum is σ = 6894978. Its totient is φ = 6894976.

The previous prime is 6894971. The next prime is 6894983. The reversal of 6894977 is 7794986.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (6894971) and next prime (6894983).

It can be written as a sum of positive squares in only one way, i.e., 6031936 + 863041 = 2456^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 6894977 - 2¹⁴ = 6878593 is a prime.

It is not a weakly prime, because it can be changed into another prime (6894971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447488 + 3447489.

It is an arithmetic number, because the mean of its divisors is an integer number (3447489).

Almost surely, 2^6894977 is an apocalyptic number.

It is an amenable number.

6894977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6894977 is an equidigital number, since it uses as much as digits as its factorization.

6894977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 6894977 is about 2625.8288215343. The cubic root of 6894977 is about 190.3316184688.

Subtracting 6894977 from its reverse (7794986), we obtain a palindrome (900009).

The spelling of 6894977 in words is "six million, eight hundred ninety-four thousand, nine hundred seventy-seven".