3281284378158 has 8 divisors (see below), whose sum is σ = 6562568756328. Its totient is φ = 1093761459384.

The previous prime is 3281284378157. The next prime is 3281284378171. The reversal of 3281284378158 is 8518734821823.

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

3281284378158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281284378153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273440364841 + ... + 273440364852.

It is an arithmetic number, because the mean of its divisors is an integer number (820321094541).

Almost surely, 2^{3281284378158} is an apocalyptic number.

3281284378158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3281284378158 is a wasteful number, since it uses less digits than its factorization.

3281284378158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546880729698.

The product of its digits is 20643840, while the sum is 60.

The spelling of 3281284378158 in words is "three trillion, two hundred eighty-one billion, two hundred eighty-four million, three hundred seventy-eight thousand, one hundred fifty-eight".