8478749130737 has 2 divisors, whose sum is σ = 8478749130738. Its totient is φ = 8478749130736.

The previous prime is 8478749130721. The next prime is 8478749130743. The reversal of 8478749130737 is 7370319478748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8096978379361 + 381770751376 = 2845519^2 + 617876^2 .

It is a cyclic number.

It is not a de Polignac number, because 8478749130737 - 2⁴ = 8478749130721 is a prime.

It is not a weakly prime, because it can be changed into another prime (8478749430737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239374565368 + 4239374565369.

It is an arithmetic number, because the mean of its divisors is an integer number (4239374565369).

Almost surely, 2^{8478749130737} is an apocalyptic number.

It is an amenable number.

8478749130737 is a deficient number, since it is larger than the sum of its proper divisors (1).

8478749130737 is an equidigital number, since it uses as much as digits as its factorization.

8478749130737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 199148544, while the sum is 68.

The spelling of 8478749130737 in words is "eight trillion, four hundred seventy-eight billion, seven hundred forty-nine million, one hundred thirty thousand, seven hundred thirty-seven".