7806255797 has 2 divisors, whose sum is σ = 7806255798. Its totient is φ = 7806255796.

The previous prime is 7806255781. The next prime is 7806255817. The reversal of 7806255797 is 7975526087.

7806255797 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7787886001 + 18369796 = 88249^2 + 4286^2 .

It is a cyclic number.

It is not a de Polignac number, because 7806255797 - 2⁴ = 7806255781 is a prime.

It is a super-2 number, since 2×7806255797² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7806255397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3903127898 + 3903127899.

It is an arithmetic number, because the mean of its divisors is an integer number (3903127899).

Almost surely, 2^7806255797 is an apocalyptic number.

It is an amenable number.

7806255797 is a deficient number, since it is larger than the sum of its proper divisors (1).

7806255797 is an equidigital number, since it uses as much as digits as its factorization.

7806255797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The square root of 7806255797 is about 88353.0180412644. The cubic root of 7806255797 is about 1983.7225311551.

The spelling of 7806255797 in words is "seven billion, eight hundred six million, two hundred fifty-five thousand, seven hundred ninety-seven".