8103847057 has 2 divisors, whose sum is σ = 8103847058. Its totient is φ = 8103847056.

The previous prime is 8103847049. The next prime is 8103847069. The reversal of 8103847057 is 7507483018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8058473361 + 45373696 = 89769^2 + 6736^2 .

It is a cyclic number.

It is not a de Polignac number, because 8103847057 - 2³ = 8103847049 is a prime.

It is a super-2 number, since 2×8103847057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8103847007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051923528 + 4051923529.

It is an arithmetic number, because the mean of its divisors is an integer number (4051923529).

Almost surely, 2^8103847057 is an apocalyptic number.

It is an amenable number.

8103847057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8103847057 is an equidigital number, since it uses as much as digits as its factorization.

8103847057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 8103847057 is about 90021.3700017946. The cubic root of 8103847057 is about 2008.6167439635.

The spelling of 8103847057 in words is "eight billion, one hundred three million, eight hundred forty-seven thousand, fifty-seven".