28574433346 has 4 divisors (see below), whose sum is σ = 42861650022. Its totient is φ = 14287216672.

The previous prime is 28574433337. The next prime is 28574433383. The reversal of 28574433346 is 64333447582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27637400025 + 937033321 = 166245^2 + 30611^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 28574433346.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7143608335 + ... + 7143608338.

Almost surely, 2^28574433346 is an apocalyptic number.

28574433346 is a deficient number, since it is larger than the sum of its proper divisors (14287216676).

28574433346 is a wasteful number, since it uses less digits than its factorization.

28574433346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14287216675.

The product of its digits is 5806080, while the sum is 49.

The spelling of 28574433346 in words is "twenty-eight billion, five hundred seventy-four million, four hundred thirty-three thousand, three hundred forty-six".