1994082178892 has 24 divisors (see below), whose sum is σ = 3526599435744. Its totient is φ = 986488054272.

The previous prime is 1994082178877. The next prime is 1994082178897. The reversal of 1994082178892 is 2988712804991.

It is not an unprimeable number, because it can be changed into a prime (1994082178897) 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 7 ways as a sum of consecutive naturals, for example, 687098 + ... + 2111934.

It is an arithmetic number, because the mean of its divisors is an integer number (146941643156).

Almost surely, 2^{1994082178892} is an apocalyptic number.

It is an amenable number.

1994082178892 is a deficient number, since it is larger than the sum of its proper divisors (1532517256852).

1994082178892 is a wasteful number, since it uses less digits than its factorization.

1994082178892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428545 (or 1428543 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 68.

The spelling of 1994082178892 in words is "one trillion, nine hundred ninety-four billion, eighty-two million, one hundred seventy-eight thousand, eight hundred ninety-two".