428773212326 has 16 divisors (see below), whose sum is σ = 681850343040. Its totient is φ = 201863586240.

The previous prime is 428773212319. The next prime is 428773212337. The reversal of 428773212326 is 623212377824.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93453071 + ... + 93457658.

It is an arithmetic number, because the mean of its divisors is an integer number (42615646440).

Almost surely, 2^428773212326 is an apocalyptic number.

428773212326 is a deficient number, since it is larger than the sum of its proper divisors (253077130714).

428773212326 is a wasteful number, since it uses less digits than its factorization.

428773212326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186910799.

The product of its digits is 1354752, while the sum is 47.

The spelling of 428773212326 in words is "four hundred twenty-eight billion, seven hundred seventy-three million, two hundred twelve thousand, three hundred twenty-six".