389279854078 has 8 divisors (see below), whose sum is σ = 585821800872. Its totient is φ = 194005920456.

The previous prime is 389279854043. The next prime is 389279854141. The reversal of 389279854078 is 870458972983.

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 = 389279853998 and 389279854016.

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, 317002525 + ... + 317003752.

It is an arithmetic number, because the mean of its divisors is an integer number (73227725109).

Almost surely, 2^389279854078 is an apocalyptic number.

389279854078 is a deficient number, since it is larger than the sum of its proper divisors (196541946794).

389279854078 is a wasteful number, since it uses less digits than its factorization.

389279854078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634006586.

The product of its (nonzero) digits is 243855360, while the sum is 70.

The spelling of 389279854078 in words is "three hundred eighty-nine billion, two hundred seventy-nine million, eight hundred fifty-four thousand, seventy-eight".