194030194078 has 32 divisors (see below), whose sum is σ = 341055771840. Its totient is φ = 81051459840.

The previous prime is 194030194069. The next prime is 194030194079. The reversal of 194030194078 is 870491030491.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194030194079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455500 + ... + 771712.

It is an arithmetic number, because the mean of its divisors is an integer number (10657992870).

Almost surely, 2^194030194078 is an apocalyptic number.

194030194078 is a deficient number, since it is larger than the sum of its proper divisors (147025577762).

194030194078 is a wasteful number, since it uses less digits than its factorization.

194030194078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317332.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 194030194078 in words is "one hundred ninety-four billion, thirty million, one hundred ninety-four thousand, seventy-eight".