7806613412 has 12 divisors (see below), whose sum is σ = 14712463836. Its totient is φ = 3603052320.

The previous prime is 7806613349. The next prime is 7806613421. The reversal of 7806613412 is 2143166087.

It can be written as a sum of positive squares in 2 ways, for example, as 1235241316 + 6571372096 = 35146^2 + 81064^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75063539 + ... + 75063642.

It is an arithmetic number, because the mean of its divisors is an integer number (1226038653).

Almost surely, 2^7806613412 is an apocalyptic number.

It is an amenable number.

7806613412 is a deficient number, since it is larger than the sum of its proper divisors (6905850424).

7806613412 is a wasteful number, since it uses less digits than its factorization.

7806613412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150127198 (or 150127196 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7806613412 is about 88355.0418029441. The cubic root of 7806613412 is about 1983.7528230184.

Adding to 7806613412 its reverse (2143166087), we get a palindrome (9949779499).

The spelling of 7806613412 in words is "seven billion, eight hundred six million, six hundred thirteen thousand, four hundred twelve".