347878520736255 has 48 divisors (see below), whose sum is σ = 603410903506944. Its totient is φ = 185405564260800.

The previous prime is 347878520736217. The next prime is 347878520736283. The reversal of 347878520736255 is 552637025878743.

347878520736255 is a `hidden beast` number, since 3 + 4 + 7 + 8 + 7 + 8 + 5 + 207 + 362 + 55 = 666.

It is not a de Polignac number, because 347878520736255 - 2¹⁰ = 347878520735231 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 474341152 + ... + 475073978.

It is an arithmetic number, because the mean of its divisors is an integer number (12571060489728).

Almost surely, 2^{347878520736255} is an apocalyptic number.

347878520736255 is a deficient number, since it is larger than the sum of its proper divisors (255532382770689).

347878520736255 is a wasteful number, since it uses less digits than its factorization.

347878520736255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740196 (or 740193 counting only the distinct ones).

The product of its (nonzero) digits is 2370816000, while the sum is 72.

The spelling of 347878520736255 in words is "three hundred forty-seven trillion, eight hundred seventy-eight billion, five hundred twenty million, seven hundred thirty-six thousand, two hundred fifty-five".