428511439027 has 8 divisors (see below), whose sum is σ = 515502483200. Its totient is φ = 347964175944.

The previous prime is 428511439001. The next prime is 428511439061. The reversal of 428511439027 is 720934115824.

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

It is not a de Polignac number, because 428511439027 - 2¹⁹ = 428510914739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428511439127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610945127 + ... + 1610945392.

It is an arithmetic number, because the mean of its divisors is an integer number (64437810400).

Almost surely, 2^428511439027 is an apocalyptic number.

428511439027 is a deficient number, since it is larger than the sum of its proper divisors (86991044173).

428511439027 is a wasteful number, since it uses less digits than its factorization.

428511439027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221890545.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 428511439027 in words is "four hundred twenty-eight billion, five hundred eleven million, four hundred thirty-nine thousand, twenty-seven".