14777897 has 2 divisors, whose sum is σ = 14777898. Its totient is φ = 14777896.

The previous prime is 14777843. The next prime is 14777899. The reversal of 14777897 is 79877741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14714896 + 63001 = 3836^2 + 251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14777897 is a prime.

Together with 14777899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14777899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7388948 + 7388949.

It is an arithmetic number, because the mean of its divisors is an integer number (7388949).

Almost surely, 2^14777897 is an apocalyptic number.

It is an amenable number.

14777897 is a deficient number, since it is larger than the sum of its proper divisors (1).

14777897 is an equidigital number, since it uses as much as digits as its factorization.

14777897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691488, while the sum is 50.

The square root of 14777897 is about 3844.2030383423. The cubic root of 14777897 is about 245.3979206247.

The spelling of 14777897 in words is "fourteen million, seven hundred seventy-seven thousand, eight hundred ninety-seven".