28012382162 has 12 divisors (see below), whose sum is σ = 44635647930. Its totient is φ = 13182297216.

The previous prime is 28012382143. The next prime is 28012382197. The reversal of 28012382162 is 26128321082.

It is a Cunningham number, because it is equal to 167369²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 28012382161 + 1 = 167369^2 + 1^2 .

It is a super-4 number, since 4×28012382162⁴ (a number of 43 digits) contains 4444 as substring.

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 5 ways as a sum of consecutive naturals, for example, 24231587 + ... + 24232742.

Almost surely, 2^28012382162 is an apocalyptic number.

28012382162 is a deficient number, since it is larger than the sum of its proper divisors (16623265768).

28012382162 is a wasteful number, since it uses less digits than its factorization.

28012382162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48464365 (or 48464348 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 28012382162 in words is "twenty-eight billion, twelve million, three hundred eighty-two thousand, one hundred sixty-two".