77365422442 has 16 divisors (see below), whose sum is σ = 144683387712. Its totient is φ = 30142372320.

The previous prime is 77365422389. The next prime is 77365422457. The reversal of 77365422442 is 24422456377.

It is a junction number, because it is equal to n+sod(n) for n = 77365422392 and 77365422401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251186283 + ... + 251186590.

It is an arithmetic number, because the mean of its divisors is an integer number (9042711732).

Almost surely, 2^77365422442 is an apocalyptic number.

77365422442 is a deficient number, since it is larger than the sum of its proper divisors (67317965270).

77365422442 is a wasteful number, since it uses less digits than its factorization.

77365422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502372893.

The product of its digits is 2257920, while the sum is 46.

The spelling of 77365422442 in words is "seventy-seven billion, three hundred sixty-five million, four hundred twenty-two thousand, four hundred forty-two".