78050444 has 24 divisors (see below), whose sum is σ = 139487040. Its totient is φ = 38204496.

The previous prime is 78050437. The next prime is 78050447. The reversal of 78050444 is 44405087.

It is a self number, because there is not a number n which added to its sum of digits gives 78050444.

It is not an unprimeable number, because it can be changed into a prime (78050447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47159 + ... + 48785.

It is an arithmetic number, because the mean of its divisors is an integer number (5811960).

Almost surely, 2^78050444 is an apocalyptic number.

It is an amenable number.

78050444 is a deficient number, since it is larger than the sum of its proper divisors (61436596).

78050444 is a wasteful number, since it uses less digits than its factorization.

78050444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 78050444 is about 8834.6162338836. The cubic root of 78050444 is about 427.3579551565.

The spelling of 78050444 in words is "seventy-eight million, fifty thousand, four hundred forty-four".