3894278956982 has 8 divisors (see below), whose sum is σ = 5841470986752. Its totient is φ = 1947121961400.

The previous prime is 3894278956969. The next prime is 3894278957003. The reversal of 3894278956982 is 2896598724983.

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

It is a junction number, because it is equal to n+sod(n) for n = 3894278956897 and 3894278956906.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8478869 + ... + 8926352.

It is an arithmetic number, because the mean of its divisors is an integer number (730183873344).

Almost surely, 2^{3894278956982} is an apocalyptic number.

3894278956982 is a deficient number, since it is larger than the sum of its proper divisors (1947192029770).

3894278956982 is a wasteful number, since it uses less digits than its factorization.

3894278956982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517094.

The product of its digits is 3762339840, while the sum is 80.

The spelling of 3894278956982 in words is "three trillion, eight hundred ninety-four billion, two hundred seventy-eight million, nine hundred fifty-six thousand, nine hundred eighty-two".