28286502892 has 6 divisors (see below), whose sum is σ = 49501380068. Its totient is φ = 14143251444.

The previous prime is 28286502887. The next prime is 28286502901. The reversal of 28286502892 is 29820568282.

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 as a sum of consecutive naturals, namely, 3535812858 + ... + 3535812865.

Almost surely, 2^28286502892 is an apocalyptic number.

It is an amenable number.

28286502892 is a deficient number, since it is larger than the sum of its proper divisors (21214877176).

28286502892 is a wasteful number, since it uses less digits than its factorization.

28286502892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071625727 (or 7071625725 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 28286502892 in words is "twenty-eight billion, two hundred eighty-six million, five hundred two thousand, eight hundred ninety-two".