428867869038 has 32 divisors (see below), whose sum is σ = 980303251200. Its totient is φ = 122529447360.

The previous prime is 428867869021. The next prime is 428867869063. The reversal of 428867869038 is 830968768824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177353 + ... + 1497963.

It is an arithmetic number, because the mean of its divisors is an integer number (30634476600).

Almost surely, 2^428867869038 is an apocalyptic number.

428867869038 is an abundant number, since it is smaller than the sum of its proper divisors (551435382162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428867869038 is a wasteful number, since it uses less digits than its factorization.

428867869038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352472.

The product of its (nonzero) digits is 222953472, while the sum is 69.

The spelling of 428867869038 in words is "four hundred twenty-eight billion, eight hundred sixty-seven million, eight hundred sixty-nine thousand, thirty-eight".