7782932768 has 48 divisors (see below), whose sum is σ = 17070351480. Its totient is φ = 3468251136.

The previous prime is 7782932761. The next prime is 7782932863. The reversal of 7782932768 is 8672392877.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3545964304 + 4236968464 = 59548^2 + 65092^2 .

It is not an unprimeable number, because it can be changed into a prime (7782932761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310505 + ... + 334632.

Almost surely, 2^7782932768 is an apocalyptic number.

It is an amenable number.

7782932768 is an abundant number, since it is smaller than the sum of its proper divisors (9287418712).

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

7782932768 is a wasteful number, since it uses less digits than its factorization.

7782932768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645189 (or 645181 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 59.

The square root of 7782932768 is about 88220.9315752220. The cubic root of 7782932768 is about 1981.7449474822.

The spelling of 7782932768 in words is "seven billion, seven hundred eighty-two million, nine hundred thirty-two thousand, seven hundred sixty-eight".