7798229969 has 2 divisors, whose sum is σ = 7798229970. Its totient is φ = 7798229968.

The previous prime is 7798229941. The next prime is 7798230023. The reversal of 7798229969 is 9699228977.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7254780625 + 543449344 = 85175^2 + 23312^2 .

It is a cyclic number.

It is not a de Polignac number, because 7798229969 - 2⁸ = 7798229713 is a prime.

It is a super-2 number, since 2×7798229969² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7798229899 and 7798229908.

It is not a weakly prime, because it can be changed into another prime (7798229669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3899114984 + 3899114985.

It is an arithmetic number, because the mean of its divisors is an integer number (3899114985).

Almost surely, 2^7798229969 is an apocalyptic number.

It is an amenable number.

7798229969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7798229969 is an equidigital number, since it uses as much as digits as its factorization.

7798229969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 68.

The square root of 7798229969 is about 88307.5872674596. The cubic root of 7798229969 is about 1983.0424579912.

The spelling of 7798229969 in words is "seven billion, seven hundred ninety-eight million, two hundred twenty-nine thousand, nine hundred sixty-nine".