7798081937 has 2 divisors, whose sum is σ = 7798081938. Its totient is φ = 7798081936.

The previous prime is 7798081903. The next prime is 7798081987. The reversal of 7798081937 is 7391808977.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6558408256 + 1239673681 = 80984^2 + 35209^2 .

It is a cyclic number.

It is not a de Polignac number, because 7798081937 - 2¹⁴ = 7798065553 is a prime.

It is not a weakly prime, because it can be changed into another prime (7798081987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3899040968 + 3899040969.

It is an arithmetic number, because the mean of its divisors is an integer number (3899040969).

Almost surely, 2^7798081937 is an apocalyptic number.

It is an amenable number.

7798081937 is a deficient number, since it is larger than the sum of its proper divisors (1).

7798081937 is an equidigital number, since it uses as much as digits as its factorization.

7798081937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 59.

The square root of 7798081937 is about 88306.7491022062. The cubic root of 7798081937 is about 1983.0299100327.

The spelling of 7798081937 in words is "seven billion, seven hundred ninety-eight million, eighty-one thousand, nine hundred thirty-seven".