77992226305 has 16 divisors (see below), whose sum is σ = 107419837824. Its totient is φ = 53250848640.

The previous prime is 77992226227. The next prime is 77992226311. The reversal of 77992226305 is 50362229977.

It is not a de Polignac number, because 77992226305 - 2⁷ = 77992226177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773711 + ... + 4790020.

It is an arithmetic number, because the mean of its divisors is an integer number (6713739864).

Almost surely, 2^77992226305 is an apocalyptic number.

It is an amenable number.

77992226305 is a deficient number, since it is larger than the sum of its proper divisors (29427611519).

77992226305 is a wasteful number, since it uses less digits than its factorization.

77992226305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563976.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 77992226305 in words is "seventy-seven billion, nine hundred ninety-two million, two hundred twenty-six thousand, three hundred five".