28929575023 has 4 divisors (see below), whose sum is σ = 29034014200. Its totient is φ = 28825135848.

The previous prime is 28929575011. The next prime is 28929575027. The reversal of 28929575023 is 32057592982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32057592982 = 2 ⋅16028796491.

It is a cyclic number.

It is not a de Polignac number, because 28929575023 - 2²¹ = 28927477871 is a prime.

It is a super-2 number, since 2×28929575023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28929575027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52219173 + ... + 52219726.

It is an arithmetic number, because the mean of its divisors is an integer number (7258503550).

Almost surely, 2^28929575023 is an apocalyptic number.

28929575023 is a deficient number, since it is larger than the sum of its proper divisors (104439177).

28929575023 is a wasteful number, since it uses less digits than its factorization.

28929575023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104439176.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 28929575023 in words is "twenty-eight billion, nine hundred twenty-nine million, five hundred seventy-five thousand, twenty-three".