16342777777777 has 8 divisors (see below), whose sum is σ = 18877219251552. Its totient is φ = 13983125371200.

The previous prime is 16342777777721. The next prime is 16342777777841. The reversal of 16342777777777 is 77777777724361.

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

It is a cyclic number.

It is not a de Polignac number, because 16342777777777 - 2⁷ = 16342777777649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16342777777697 and 16342777777706.

It is not an unprimeable number, because it can be changed into a prime (16342777775777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43697266599 + ... + 43697266972.

It is an arithmetic number, because the mean of its divisors is an integer number (2359652406444).

Almost surely, 2^{16342777777777} is an apocalyptic number.

16342777777777 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16342777777777 is a deficient number, since it is larger than the sum of its proper divisors (2534441473775).

16342777777777 is a wasteful number, since it uses less digits than its factorization.

16342777777777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87394533599.

The product of its digits is 5810919408, while the sum is 79.

The spelling of 16342777777777 in words is "sixteen trillion, three hundred forty-two billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred seventy-seven".