347882913856 has 21 divisors (see below), whose sum is σ = 690339520639. Its totient is φ = 173939097664.

The previous prime is 347882913827. The next prime is 347882913857. The reversal of 347882913856 is 658319288743.

The square root of 347882913856 is 589816.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×347882913856² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347882913857) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4681665 + ... + 4755391.

Almost surely, 2^347882913856 is an apocalyptic number.

347882913856 is the 589816-th square number.

It is an amenable number.

347882913856 is a deficient number, since it is larger than the sum of its proper divisors (342456606783).

347882913856 is an frugal number, since it uses more digits than its factorization.

347882913856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147466 (or 73729 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 64.

Multiplying 347882913856 by its sum of digits (64), we get a square (22264506486784 = 4718528²).

347882913856 divided by its sum of digits (64) gives a square (5435670529 = 73727²).

The spelling of 347882913856 in words is "three hundred forty-seven billion, eight hundred eighty-two million, nine hundred thirteen thousand, eight hundred fifty-six".