28285800874 has 8 divisors (see below), whose sum is σ = 42593794308. Its totient is φ = 14087869440.

The previous prime is 28285800869. The next prime is 28285800887. The reversal of 28285800874 is 47800858282.

It can be written as a sum of positive squares in 2 ways, for example, as 28087413649 + 198387225 = 167593^2 + 14085^2 .

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

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, 27514857 + ... + 27515884.

Almost surely, 2^28285800874 is an apocalyptic number.

28285800874 is a deficient number, since it is larger than the sum of its proper divisors (14307993434).

28285800874 is a wasteful number, since it uses less digits than its factorization.

28285800874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55031000.

The product of its (nonzero) digits is 2293760, while the sum is 52.

The spelling of 28285800874 in words is "twenty-eight billion, two hundred eighty-five million, eight hundred thousand, eight hundred seventy-four".