42728479478 has 8 divisors (see below), whose sum is σ = 65302015968. Its totient is φ = 20961140824.

The previous prime is 42728479463. The next prime is 42728479483. The reversal of 42728479478 is 87497482724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42728479478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201549326 + ... + 201549537.

It is an arithmetic number, because the mean of its divisors is an integer number (8162751996).

Almost surely, 2^42728479478 is an apocalyptic number.

42728479478 is a deficient number, since it is larger than the sum of its proper divisors (22573536490).

42728479478 is a wasteful number, since it uses less digits than its factorization.

42728479478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403098918.

The product of its digits is 50577408, while the sum is 62.

The spelling of 42728479478 in words is "forty-two billion, seven hundred twenty-eight million, four hundred seventy-nine thousand, four hundred seventy-eight".