14878469 has 2 divisors, whose sum is σ = 14878470. Its totient is φ = 14878468.

The previous prime is 14878459. The next prime is 14878471. The reversal of 14878469 is 96487841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14730244 + 148225 = 3838^2 + 385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14878469 is a prime.

It is a super-2 number, since 2×14878469² = 442737679567922, which contains 22 as substring.

Together with 14878471, 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 (14878439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7439234 + 7439235.

It is an arithmetic number, because the mean of its divisors is an integer number (7439235).

Almost surely, 2^14878469 is an apocalyptic number.

It is an amenable number.

14878469 is a deficient number, since it is larger than the sum of its proper divisors (1).

14878469 is an equidigital number, since it uses as much as digits as its factorization.

14878469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 14878469 is about 3857.2618526618. The cubic root of 14878469 is about 245.9533533516.

The spelling of 14878469 in words is "fourteen million, eight hundred seventy-eight thousand, four hundred sixty-nine".