347478234567 has 32 divisors (see below), whose sum is σ = 511950067200. Its totient is φ = 208520125440.

The previous prime is 347478234541. The next prime is 347478234617. The reversal of 347478234567 is 765432874743.

It is not a de Polignac number, because 347478234567 - 2¹⁸ = 347477972423 is a prime.

It is a super-2 number, since 2×347478234567² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 347478234567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347478234667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13710267 + ... + 13735587.

It is an arithmetic number, because the mean of its divisors is an integer number (15998439600).

Almost surely, 2^347478234567 is an apocalyptic number.

347478234567 is a deficient number, since it is larger than the sum of its proper divisors (164471832633).

347478234567 is a wasteful number, since it uses less digits than its factorization.

347478234567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37063.

The product of its digits is 94832640, while the sum is 60.

The spelling of 347478234567 in words is "three hundred forty-seven billion, four hundred seventy-eight million, two hundred thirty-four thousand, five hundred sixty-seven".