7991112002 has 8 divisors (see below), whose sum is σ = 12265427856. Its totient is φ = 3902636052.

The previous prime is 7991111993. The next prime is 7991112007. The reversal of 7991112002 is 2002111997.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7991112002.

It is not an unprimeable number, because it can be changed into a prime (7991112007) 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, 46459868 + ... + 46460039.

It is an arithmetic number, because the mean of its divisors is an integer number (1533178482).

Almost surely, 2^7991112002 is an apocalyptic number.

7991112002 is a deficient number, since it is larger than the sum of its proper divisors (4274315854).

7991112002 is a wasteful number, since it uses less digits than its factorization.

7991112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92919952.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 7991112002 is about 89393.0198729185. The cubic root of 7991112002 is about 1999.2590590371.

Adding to 7991112002 its reverse (2002111997), we get a palindrome (9993223999).

The spelling of 7991112002 in words is "seven billion, nine hundred ninety-one million, one hundred twelve thousand, two".