7664384682 has 24 divisors (see below), whose sum is σ = 16690469796. Its totient is φ = 2541825216.

The previous prime is 7664384681. The next prime is 7664384687. The reversal of 7664384682 is 2864834667.

It can be written as a sum of positive squares in 2 ways, for example, as 5204323881 + 2460060801 = 72141^2 + 49599^2 .

It is a super-2 number, since 2×7664384682² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7664384681) 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 11 ways as a sum of consecutive naturals, for example, 1077163 + ... + 1084254.

Almost surely, 2^7664384682 is an apocalyptic number.

7664384682 is an abundant number, since it is smaller than the sum of its proper divisors (9026085114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7664384682 is a wasteful number, since it uses less digits than its factorization.

7664384682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161622 (or 2161619 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The square root of 7664384682 is about 87546.4715565396. The cubic root of 7664384682 is about 1971.6315755801.

The spelling of 7664384682 in words is "seven billion, six hundred sixty-four million, three hundred eighty-four thousand, six hundred eighty-two".