9857483557 has 2 divisors, whose sum is σ = 9857483558. Its totient is φ = 9857483556.

The previous prime is 9857483413. The next prime is 9857483591. The reversal of 9857483557 is 7553847589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9691614916 + 165868641 = 98446^2 + 12879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9857483557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9857483495 and 9857483504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9857487557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4928741778 + 4928741779.

It is an arithmetic number, because the mean of its divisors is an integer number (4928741779).

Almost surely, 2^9857483557 is an apocalyptic number.

It is an amenable number.

9857483557 is a deficient number, since it is larger than the sum of its proper divisors (1).

9857483557 is an equidigital number, since it uses as much as digits as its factorization.

9857483557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336000, while the sum is 61.

The square root of 9857483557 is about 99284.8606636480. The cubic root of 9857483557 is about 2144.1509351031.

The spelling of 9857483557 in words is "nine billion, eight hundred fifty-seven million, four hundred eighty-three thousand, five hundred fifty-seven".