7798487369 has 16 divisors (see below), whose sum is σ = 8095743936. Its totient is φ = 7506816000.

The previous prime is 7798487351. The next prime is 7798487371. The reversal of 7798487369 is 9637848977.

It is a cyclic number.

It is not a de Polignac number, because 7798487369 - 2²⁸ = 7530051913 is a prime.

It is a super-2 number, since 2×7798487369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7798487299 and 7798487308.

It is not an unprimeable number, because it can be changed into a prime (7798487329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377194 + ... + 1382844.

It is an arithmetic number, because the mean of its divisors is an integer number (505983996).

Almost surely, 2^7798487369 is an apocalyptic number.

It is an amenable number.

7798487369 is a deficient number, since it is larger than the sum of its proper divisors (297256567).

7798487369 is a wasteful number, since it uses less digits than its factorization.

7798487369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136.

The product of its digits is 128024064, while the sum is 68.

The square root of 7798487369 is about 88309.0446613483. The cubic root of 7798487369 is about 1983.0642761694.

The spelling of 7798487369 in words is "seven billion, seven hundred ninety-eight million, four hundred eighty-seven thousand, three hundred sixty-nine".