79003968650 has 12 divisors (see below), whose sum is σ = 146947381782. Its totient is φ = 31601587440.

The previous prime is 79003968623. The next prime is 79003968653. The reversal of 79003968650 is 5686930097.

It can be written as a sum of positive squares in 3 ways, for example, as 59195376601 + 19808592049 = 243301^2 + 140743^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79003968592 and 79003968601.

It is not an unprimeable number, because it can be changed into a prime (79003968653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 790039637 + ... + 790039736.

Almost surely, 2^79003968650 is an apocalyptic number.

79003968650 is a deficient number, since it is larger than the sum of its proper divisors (67943413132).

79003968650 is a wasteful number, since it uses less digits than its factorization.

79003968650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580079385 (or 1580079380 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 79003968650 in words is "seventy-nine billion, three million, nine hundred sixty-eight thousand, six hundred fifty".