1426344717777 has 48 divisors (see below), whose sum is σ = 2322733930560. Its totient is φ = 775203149952.

The previous prime is 1426344717773. The next prime is 1426344717781. The reversal of 1426344717777 is 7777174436241.

It is an interprime number because it is at equal distance from previous prime (1426344717773) and next prime (1426344717781).

It is not a de Polignac number, because 1426344717777 - 2² = 1426344717773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426344717777.

It is not an unprimeable number, because it can be changed into a prime (1426344717773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2211298 + ... + 2782539.

It is an arithmetic number, because the mean of its divisors is an integer number (48390290220).

Almost surely, 2^{1426344717777} is an apocalyptic number.

It is an amenable number.

1426344717777 is a deficient number, since it is larger than the sum of its proper divisors (896389212783).

1426344717777 is a wasteful number, since it uses less digits than its factorization.

1426344717777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993950 (or 4993943 counting only the distinct ones).

The product of its digits is 38723328, while the sum is 60.

The spelling of 1426344717777 in words is "one trillion, four hundred twenty-six billion, three hundred forty-four million, seven hundred seventeen thousand, seven hundred seventy-seven".