7801606002 has 8 divisors (see below), whose sum is σ = 15603212016. Its totient is φ = 2600535332.

The previous prime is 7801605967. The next prime is 7801606009. The reversal of 7801606002 is 2006061087.

It is a happy number.

7801606002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

7801606002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7801606009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650133828 + ... + 650133839.

It is an arithmetic number, because the mean of its divisors is an integer number (1950401502).

Almost surely, 2^7801606002 is an apocalyptic number.

7801606002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7801606002 is a wasteful number, since it uses less digits than its factorization.

7801606002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300267672.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7801606002 is about 88326.7003912181. The cubic root of 7801606002 is about 1983.3285849254.

Adding to 7801606002 its reverse (2006061087), we get a palindrome (9807667089).

The spelling of 7801606002 in words is "seven billion, eight hundred one million, six hundred six thousand, two".