428668793458 has 8 divisors (see below), whose sum is σ = 643018666752. Its totient is φ = 214329237876.

The previous prime is 428668793447. The next prime is 428668793459. The reversal of 428668793458 is 854397866824.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (428668793459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474710 + ... + 2642257.

It is an arithmetic number, because the mean of its divisors is an integer number (80377333344).

Almost surely, 2^428668793458 is an apocalyptic number.

428668793458 is a deficient number, since it is larger than the sum of its proper divisors (214349873294).

428668793458 is a wasteful number, since it uses less digits than its factorization.

428668793458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158856.

The product of its digits is 557383680, while the sum is 70.

The spelling of 428668793458 in words is "four hundred twenty-eight billion, six hundred sixty-eight million, seven hundred ninety-three thousand, four hundred fifty-eight".