8478749130799 has 2 divisors, whose sum is σ = 8478749130800. Its totient is φ = 8478749130798.

The previous prime is 8478749130743. The next prime is 8478749130829. The reversal of 8478749130799 is 9970319478748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8478749130799 - 2³⁵ = 8444389392431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8478749134799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239374565399 + 4239374565400.

It is an arithmetic number, because the mean of its divisors is an integer number (4239374565400).

Almost surely, 2^{8478749130799} is an apocalyptic number.

8478749130799 is a deficient number, since it is larger than the sum of its proper divisors (1).

8478749130799 is an equidigital number, since it uses as much as digits as its factorization.

8478749130799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768144384, while the sum is 76.

The spelling of 8478749130799 in words is "eight trillion, four hundred seventy-eight billion, seven hundred forty-nine million, one hundred thirty thousand, seven hundred ninety-nine".