5780857 has 2 divisors, whose sum is σ = 5780858. Its totient is φ = 5780856.

The previous prime is 5780851. The next prime is 5780881. The reversal of 5780857 is 7580875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4822416 + 958441 = 2196^2 + 979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5780857 is a prime.

It is not a weakly prime, because it can be changed into another prime (5780851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2890428 + 2890429.

It is an arithmetic number, because the mean of its divisors is an integer number (2890429).

Almost surely, 2^5780857 is an apocalyptic number.

It is an amenable number.

5780857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5780857 is an equidigital number, since it uses as much as digits as its factorization.

5780857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 5780857 is about 2404.3412819315. The cubic root of 5780857 is about 179.4722918723.

The spelling of 5780857 in words is "five million, seven hundred eighty thousand, eight hundred fifty-seven".