457975447 has 2 divisors, whose sum is σ = 457975448. Its totient is φ = 457975446.

The previous prime is 457975439. The next prime is 457975481. The reversal of 457975447 is 744579754.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457975447 - 2³ = 457975439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457975394 and 457975403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457975417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228987723 + 228987724.

It is an arithmetic number, because the mean of its divisors is an integer number (228987724).

Almost surely, 2^457975447 is an apocalyptic number.

457975447 is a deficient number, since it is larger than the sum of its proper divisors (1).

457975447 is an equidigital number, since it uses as much as digits as its factorization.

457975447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 52.

The square root of 457975447 is about 21400.3609081716. The cubic root of 457975447 is about 770.8101031603.

The spelling of 457975447 in words is "four hundred fifty-seven million, nine hundred seventy-five thousand, four hundred forty-seven".