28762118768 has 20 divisors (see below), whose sum is σ = 55852412568. Its totient is φ = 14348592960.

The previous prime is 28762118747. The next prime is 28762118809. The reversal of 28762118768 is 86781126782.

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 3 ways as a sum of consecutive naturals, for example, 2021843 + ... + 2036018.

Almost surely, 2^28762118768 is an apocalyptic number.

It is an amenable number.

28762118768 is a deficient number, since it is larger than the sum of its proper divisors (27090293800).

28762118768 is a wasteful number, since it uses less digits than its factorization.

28762118768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058312 (or 4058306 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 56.

The spelling of 28762118768 in words is "twenty-eight billion, seven hundred sixty-two million, one hundred eighteen thousand, seven hundred sixty-eight".