28330180834 has 8 divisors (see below), whose sum is σ = 43191915228. Its totient is φ = 13932875760.

The previous prime is 28330180807. The next prime is 28330180867. The reversal of 28330180834 is 43808103382.

It can be written as a sum of positive squares in 2 ways, for example, as 28189402609 + 140778225 = 167897^2 + 11865^2 .

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

It is a super-3 number, since 3×28330180834³ (a number of 32 digits) contains 333 as substring.

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, 116107177 + ... + 116107420.

Almost surely, 2^28330180834 is an apocalyptic number.

28330180834 is a deficient number, since it is larger than the sum of its proper divisors (14861734394).

28330180834 is a wasteful number, since it uses less digits than its factorization.

28330180834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232214660.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 28330180834 in words is "twenty-eight billion, three hundred thirty million, one hundred eighty thousand, eight hundred thirty-four".