347666671111 has 4 divisors (see below), whose sum is σ = 348583997800. Its totient is φ = 346749344424.

The previous prime is 347666671081. The next prime is 347666671123. The reversal of 347666671111 is 111176666743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111176666743 = 1627 ⋅68332309.

It is a cyclic number.

It is not a de Polignac number, because 347666671111 - 2⁷ = 347666670983 is a prime.

It is a super-2 number, since 2×347666671111² (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 (347666671151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458662776 + ... + 458663533.

It is an arithmetic number, because the mean of its divisors is an integer number (87145999450).

Almost surely, 2^347666671111 is an apocalyptic number.

347666671111 is a deficient number, since it is larger than the sum of its proper divisors (917326689).

347666671111 is an equidigital number, since it uses as much as digits as its factorization.

347666671111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917326688.

The product of its digits is 762048, while the sum is 49.

The spelling of 347666671111 in words is "three hundred forty-seven billion, six hundred sixty-six million, six hundred seventy-one thousand, one hundred eleven".