28729200933 has 40 divisors (see below), whose sum is σ = 45719704800. Its totient is φ = 17926067232.

The previous prime is 28729200919. The next prime is 28729200977. The reversal of 28729200933 is 33900292782.

It is not a de Polignac number, because 28729200933 - 2⁵ = 28729200901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28729201933) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15283 + ... + 240191.

It is an arithmetic number, because the mean of its divisors is an integer number (1142992620).

Almost surely, 2^28729200933 is an apocalyptic number.

It is an amenable number.

28729200933 is a deficient number, since it is larger than the sum of its proper divisors (16990503867).

28729200933 is a wasteful number, since it uses less digits than its factorization.

28729200933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225023 (or 225014 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 28729200933 in words is "twenty-eight billion, seven hundred twenty-nine million, two hundred thousand, nine hundred thirty-three".