428664320843 has 8 divisors (see below), whose sum is σ = 467639243760. Its totient is φ = 389690304480.

The previous prime is 428664320837. The next prime is 428664320873. The reversal of 428664320843 is 348023466824.

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

It is a cyclic number.

It is not a de Polignac number, because 428664320843 - 2¹⁶ = 428664255307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428664320791 and 428664320800.

It is not an unprimeable number, because it can be changed into a prime (428664320873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099421 + ... + 1437377.

It is an arithmetic number, because the mean of its divisors is an integer number (58454905470).

Almost surely, 2^428664320843 is an apocalyptic number.

428664320843 is a deficient number, since it is larger than the sum of its proper divisors (38974922917).

428664320843 is a wasteful number, since it uses less digits than its factorization.

428664320843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453277.

The product of its (nonzero) digits is 5308416, while the sum is 50.

The spelling of 428664320843 in words is "four hundred twenty-eight billion, six hundred sixty-four million, three hundred twenty thousand, eight hundred forty-three".