428209876582 has 8 divisors (see below), whose sum is σ = 643006222200. Its totient is φ = 213874469184.

The previous prime is 428209876481. The next prime is 428209876609. The reversal of 428209876582 is 285678902824.

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

It is a self number, because there is not a number n which added to its sum of digits gives 428209876582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115232232 + ... + 115235947.

It is an arithmetic number, because the mean of its divisors is an integer number (80375777775).

Almost surely, 2^428209876582 is an apocalyptic number.

428209876582 is a deficient number, since it is larger than the sum of its proper divisors (214796345618).

428209876582 is a wasteful number, since it uses less digits than its factorization.

428209876582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230469110.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 428209876582 in words is "four hundred twenty-eight billion, two hundred nine million, eight hundred seventy-six thousand, five hundred eighty-two".