347977779743 has 8 divisors (see below), whose sum is σ = 379653989376. Its totient is φ = 316308547800.

The previous prime is 347977779733. The next prime is 347977779757.

347977779743 is nontrivially palindromic in base 10.

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 347977779743 - 2¹⁰ = 347977778719 is a prime.

It is a super-2 number, since 2×347977779743² (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 (347977779713) 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 7 ways as a sum of consecutive naturals, for example, 1639871 + ... + 1839872.

It is an arithmetic number, because the mean of its divisors is an integer number (47456748672).

Almost surely, 2^347977779743 is an apocalyptic number.

347977779743 is a deficient number, since it is larger than the sum of its proper divisors (31676209633).

347977779743 is a wasteful number, since it uses less digits than its factorization.

347977779743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488845.

The product of its digits is 1372257936, while the sum is 74.

The spelling of 347977779743 in words is "three hundred forty-seven billion, nine hundred seventy-seven million, seven hundred seventy-nine thousand, seven hundred forty-three".