481086857 has 2 divisors, whose sum is σ = 481086858. Its totient is φ = 481086856.

The previous prime is 481086817. The next prime is 481086899. The reversal of 481086857 is 758680184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465869056 + 15217801 = 21584^2 + 3901^2 .

It is a cyclic number.

It is not a de Polignac number, because 481086857 - 2¹⁸ = 480824713 is a prime.

It is not a weakly prime, because it can be changed into another prime (481086817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240543428 + 240543429.

It is an arithmetic number, because the mean of its divisors is an integer number (240543429).

Almost surely, 2^481086857 is an apocalyptic number.

It is an amenable number.

481086857 is a deficient number, since it is larger than the sum of its proper divisors (1).

481086857 is an equidigital number, since it uses as much as digits as its factorization.

481086857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 481086857 is about 21933.6922792311. The cubic root of 481086857 is about 783.5640412750.

The spelling of 481086857 in words is "four hundred eighty-one million, eighty-six thousand, eight hundred fifty-seven".