78323076194 has 16 divisors (see below), whose sum is σ = 130337324640. Its totient is φ = 34997984160.

The previous prime is 78323076187. The next prime is 78323076239. The reversal of 78323076194 is 49167032387.

It is a super-2 number, since 2×78323076194² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30169379 + ... + 30171974.

It is an arithmetic number, because the mean of its divisors is an integer number (8146082790).

Almost surely, 2^78323076194 is an apocalyptic number.

78323076194 is a deficient number, since it is larger than the sum of its proper divisors (52014248446).

78323076194 is a wasteful number, since it uses less digits than its factorization.

78323076194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60341425.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 78323076194 in words is "seventy-eight billion, three hundred twenty-three million, seventy-six thousand, one hundred ninety-four".