347666666743 has 16 divisors (see below), whose sum is σ = 386864787456. Its totient is φ = 309793861440.

The previous prime is 347666666707. The next prime is 347666666801.

347666666743 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 347666666743 - 2¹³ = 347666658551 is a prime.

It is a super-2 number, since 2×347666666743² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347666661743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383246 + ... + 1615147.

It is an arithmetic number, because the mean of its divisors is an integer number (24179049216).

Almost surely, 2^347666666743 is an apocalyptic number.

347666666743 is a deficient number, since it is larger than the sum of its proper divisors (39198120713).

347666666743 is a wasteful number, since it uses less digits than its factorization.

347666666743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998614.

The product of its digits is 329204736, while the sum is 64.

The spelling of 347666666743 in words is "three hundred forty-seven billion, six hundred sixty-six million, six hundred sixty-six thousand, seven hundred forty-three".