28332294605 has 16 divisors (see below), whose sum is σ = 36018995760. Its totient is φ = 21320512512.

The previous prime is 28332294593. The next prime is 28332294689. The reversal of 28332294605 is 50649223382.

It can be written as a sum of positive squares in 8 ways, for example, as 370100644 + 27962193961 = 19238^2 + 167219^2 .

It is a cyclic number.

It is not a de Polignac number, because 28332294605 - 2⁴ = 28332294589 is a prime.

It is a super-3 number, since 3×28332294605³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58907 + ... + 245223.

It is an arithmetic number, because the mean of its divisors is an integer number (2251187235).

Almost surely, 2^28332294605 is an apocalyptic number.

It is an amenable number.

28332294605 is a deficient number, since it is larger than the sum of its proper divisors (7686701155).

28332294605 is a wasteful number, since it uses less digits than its factorization.

28332294605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188128.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 28332294605 in words is "twenty-eight billion, three hundred thirty-two million, two hundred ninety-four thousand, six hundred five".