28751669933 has 16 divisors (see below), whose sum is σ = 33005568000. Its totient is φ = 24534543600.

The previous prime is 28751669909. The next prime is 28751669971. The reversal of 28751669933 is 33996615782.

It is not a de Polignac number, because 28751669933 - 2¹⁴ = 28751653549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28751669983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838548 + ... + 2848658.

It is an arithmetic number, because the mean of its divisors is an integer number (2062848000).

Almost surely, 2^28751669933 is an apocalyptic number.

It is an amenable number.

28751669933 is a deficient number, since it is larger than the sum of its proper divisors (4253898067).

28751669933 is a wasteful number, since it uses less digits than its factorization.

28751669933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888.

The product of its digits is 14696640, while the sum is 59.

The spelling of 28751669933 in words is "twenty-eight billion, seven hundred fifty-one million, six hundred sixty-nine thousand, nine hundred thirty-three".