428528727718 has 16 divisors (see below), whose sum is σ = 791129959200. Its totient is φ = 169527848256.

The previous prime is 428528727713. The next prime is 428528727719. The reversal of 428528727718 is 817727825824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428528727713) 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, 1177276543 + ... + 1177276906.

It is an arithmetic number, because the mean of its divisors is an integer number (49445622450).

Almost surely, 2^428528727718 is an apocalyptic number.

428528727718 is a deficient number, since it is larger than the sum of its proper divisors (362601231482).

428528727718 is a wasteful number, since it uses less digits than its factorization.

428528727718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354553471.

The product of its digits is 28098560, while the sum is 61.

The spelling of 428528727718 in words is "four hundred twenty-eight billion, five hundred twenty-eight million, seven hundred twenty-seven thousand, seven hundred eighteen".