344627779617 has 12 divisors (see below), whose sum is σ = 543049834704. Its totient is φ = 208865320920.

The previous prime is 344627779607. The next prime is 344627779637. The reversal of 344627779617 is 716977726443.

344627779617 is a `hidden beast` number, since 3 + 4 + 4 + 6 + 2 + 7 + 7 + 7 + 9 + 617 = 666.

It is not a de Polignac number, because 344627779617 - 2¹¹ = 344627777569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344627779607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1740544243 + ... + 1740544440.

It is an arithmetic number, because the mean of its divisors is an integer number (45254152892).

Almost surely, 2^344627779617 is an apocalyptic number.

It is an amenable number.

344627779617 is a deficient number, since it is larger than the sum of its proper divisors (198422055087).

344627779617 is a wasteful number, since it uses less digits than its factorization.

344627779617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481088700 (or 3481088697 counting only the distinct ones).

The product of its digits is 74680704, while the sum is 63.

The spelling of 344627779617 in words is "three hundred forty-four billion, six hundred twenty-seven million, seven hundred seventy-nine thousand, six hundred seventeen".