457674857 has 2 divisors, whose sum is σ = 457674858. Its totient is φ = 457674856.

The previous prime is 457674821. The next prime is 457674863. The reversal of 457674857 is 758476754.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438525481 + 19149376 = 20941^2 + 4376^2 .

It is a cyclic number.

It is not a de Polignac number, because 457674857 - 2¹² = 457670761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457674799 and 457674808.

It is not a weakly prime, because it can be changed into another prime (457674257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228837428 + 228837429.

It is an arithmetic number, because the mean of its divisors is an integer number (228837429).

Almost surely, 2^457674857 is an apocalyptic number.

It is an amenable number.

457674857 is a deficient number, since it is larger than the sum of its proper divisors (1).

457674857 is an equidigital number, since it uses as much as digits as its factorization.

457674857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6585600, while the sum is 53.

The square root of 457674857 is about 21393.3367430142. The cubic root of 457674857 is about 770.6414270736.

The spelling of 457674857 in words is "four hundred fifty-seven million, six hundred seventy-four thousand, eight hundred fifty-seven".