14787797 has 2 divisors, whose sum is σ = 14787798. Its totient is φ = 14787796.

The previous prime is 14787791. The next prime is 14787847. The reversal of 14787797 is 79778741.

14787797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (14787847) can be obtained adding 14787797 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 4605316 = 3191^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 14787797 - 2⁸ = 14787541 is a prime.

It is a super-2 number, since 2×14787797² = 437357880226418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14787791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7393898 + 7393899.

It is an arithmetic number, because the mean of its divisors is an integer number (7393899).

Almost surely, 2^14787797 is an apocalyptic number.

It is an amenable number.

14787797 is a deficient number, since it is larger than the sum of its proper divisors (1).

14787797 is an equidigital number, since it uses as much as digits as its factorization.

14787797 is an evil number, because the sum of its binary digits is even.

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

The square root of 14787797 is about 3845.4904758691. The cubic root of 14787797 is about 245.4527073354.

The spelling of 14787797 in words is "fourteen million, seven hundred eighty-seven thousand, seven hundred ninety-seven".