28578487582 has 8 divisors (see below), whose sum is σ = 42873414696. Its totient is φ = 14287349352.

The previous prime is 28578487577. The next prime is 28578487621.

28578487582 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 928288 + ... + 958579.

It is an arithmetic number, because the mean of its divisors is an integer number (5359176837).

Almost surely, 2^28578487582 is an apocalyptic number.

28578487582 is a deficient number, since it is larger than the sum of its proper divisors (14294927114).

28578487582 is a wasteful number, since it uses less digits than its factorization.

28578487582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894442.

The product of its digits is 80281600, while the sum is 64.

The spelling of 28578487582 in words is "twenty-eight billion, five hundred seventy-eight million, four hundred eighty-seven thousand, five hundred eighty-two".