347438677745 has 8 divisors (see below), whose sum is σ = 420751426920. Its totient is φ = 275400933120.

The previous prime is 347438677727. The next prime is 347438677877. The reversal of 347438677745 is 547776834743.

It can be written as a sum of positive squares in 4 ways, for example, as 41027717809 + 306410959936 = 202553^2 + 553544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 347438677745 - 2¹⁰ = 347438676721 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318750536 + ... + 318751625.

It is an arithmetic number, because the mean of its divisors is an integer number (52593928365).

Almost surely, 2^347438677745 is an apocalyptic number.

It is an amenable number.

347438677745 is a deficient number, since it is larger than the sum of its proper divisors (73312749175).

347438677745 is a wasteful number, since it uses less digits than its factorization.

347438677745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637502275.

The product of its digits is 331914240, while the sum is 65.

The spelling of 347438677745 in words is "three hundred forty-seven billion, four hundred thirty-eight million, six hundred seventy-seven thousand, seven hundred forty-five".