28285443574 has 8 divisors (see below), whose sum is σ = 44923939848. Its totient is φ = 13310796960.

The previous prime is 28285443569. The next prime is 28285443581. The reversal of 28285443574 is 47534458282.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415962372 + ... + 415962439.

It is an arithmetic number, because the mean of its divisors is an integer number (5615492481).

Almost surely, 2^28285443574 is an apocalyptic number.

28285443574 is a deficient number, since it is larger than the sum of its proper divisors (16638496274).

28285443574 is a wasteful number, since it uses less digits than its factorization.

28285443574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831924830.

The product of its digits is 8601600, while the sum is 52.

The spelling of 28285443574 in words is "twenty-eight billion, two hundred eighty-five million, four hundred forty-three thousand, five hundred seventy-four".