779902111111111 has 4 divisors (see below), whose sum is σ = 780003410263000. Its totient is φ = 779800811959224.

The previous prime is 779902111111087. The next prime is 779902111111117. The reversal of 779902111111111 is 111111111209977.

779902111111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 779902111111111 - 2⁴¹ = 777703087855559 is a prime.

It is a Duffinian number.

779902111111111 is a modest number, since divided by 11111111 gives 7799021 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779902111111117) 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, 50649564396 + ... + 50649579793.

It is an arithmetic number, because the mean of its divisors is an integer number (195000852565750).

Almost surely, 2^{779902111111111} is an apocalyptic number.

779902111111111 is a deficient number, since it is larger than the sum of its proper divisors (101299151889).

779902111111111 is a wasteful number, since it uses less digits than its factorization.

779902111111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101299151888.

The product of its (nonzero) digits is 7938, while the sum is 43.

The spelling of 779902111111111 in words is "seven hundred seventy-nine trillion, nine hundred two billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".