428672823799 has 16 divisors (see below), whose sum is σ = 474142556160. Its totient is φ = 384288442560.

The previous prime is 428672823793. The next prime is 428672823809. The reversal of 428672823799 is 997328276824.

It is not a de Polignac number, because 428672823799 - 2⁹ = 428672823287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428672823793) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4243722 + ... + 4343560.

It is an arithmetic number, because the mean of its divisors is an integer number (29633909760).

Almost surely, 2^428672823799 is an apocalyptic number.

428672823799 is a deficient number, since it is larger than the sum of its proper divisors (45469732361).

428672823799 is a wasteful number, since it uses less digits than its factorization.

428672823799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105270.

The product of its digits is 146313216, while the sum is 67.

The spelling of 428672823799 in words is "four hundred twenty-eight billion, six hundred seventy-two million, eight hundred twenty-three thousand, seven hundred ninety-nine".