28317882002 has 4 divisors (see below), whose sum is σ = 42476823006. Its totient is φ = 14158941000.

The previous prime is 28317882001. The next prime is 28317882029. The reversal of 28317882002 is 20028871382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24196113601 + 4121768401 = 155551^2 + 64201^2 .

It is not an unprimeable number, because it can be changed into a prime (28317882001) by changing a digit.

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 as a sum of consecutive naturals, namely, 7079470499 + ... + 7079470502.

Almost surely, 2^28317882002 is an apocalyptic number.

28317882002 is a deficient number, since it is larger than the sum of its proper divisors (14158941004).

28317882002 is a wasteful number, since it uses less digits than its factorization.

28317882002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14158941003.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 28317882002 in words is "twenty-eight billion, three hundred seventeen million, eight hundred eighty-two thousand, two".