28887174333 has 12 divisors (see below), whose sum is σ = 44180384508. Its totient is φ = 18125285760.

The previous prime is 28887174313. The next prime is 28887174373. The reversal of 28887174333 is 33347178882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26097433209 + 2789741124 = 161547^2 + 52818^2 .

It is not a de Polignac number, because 28887174333 - 2¹³ = 28887166141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28887174333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28887174313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94402378 + ... + 94402683.

It is an arithmetic number, because the mean of its divisors is an integer number (3681698709).

Almost surely, 2^28887174333 is an apocalyptic number.

It is an amenable number.

28887174333 is a deficient number, since it is larger than the sum of its proper divisors (15293210175).

28887174333 is a wasteful number, since it uses less digits than its factorization.

28887174333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188805084 (or 188805081 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 28887174333 in words is "twenty-eight billion, eight hundred eighty-seven million, one hundred seventy-four thousand, three hundred thirty-three".