7818679245 has 16 divisors (see below), whose sum is σ = 13472186112. Its totient is φ = 3849195840.

The previous prime is 7818679171. The next prime is 7818679301. The reversal of 7818679245 is 5429768187.

It is not a de Polignac number, because 7818679245 - 2¹⁰ = 7818678221 is a prime.

It is a super-2 number, since 2×7818679245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 20047701 + ... + 20048090.

It is an arithmetic number, because the mean of its divisors is an integer number (842011632).

Almost surely, 2^7818679245 is an apocalyptic number.

It is an amenable number.

7818679245 is a deficient number, since it is larger than the sum of its proper divisors (5653506867).

7818679245 is a wasteful number, since it uses less digits than its factorization.

7818679245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40095812.

The product of its digits is 6773760, while the sum is 57.

The square root of 7818679245 is about 88423.2958275137. The cubic root of 7818679245 is about 1984.7743205626.

The spelling of 7818679245 in words is "seven billion, eight hundred eighteen million, six hundred seventy-nine thousand, two hundred forty-five".