28876583573 has 4 divisors (see below), whose sum is σ = 28876932768. Its totient is φ = 28876234380.

The previous prime is 28876583509. The next prime is 28876583599. The reversal of 28876583573 is 37538567882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28876583573 - 2⁶ = 28876583509 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 (28876183573) 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, 27158 + ... + 241848.

It is an arithmetic number, because the mean of its divisors is an integer number (7219233192).

Almost surely, 2^28876583573 is an apocalyptic number.

It is an amenable number.

28876583573 is a deficient number, since it is larger than the sum of its proper divisors (349195).

28876583573 is a wasteful number, since it uses less digits than its factorization.

28876583573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349194.

The product of its digits is 67737600, while the sum is 62.

The spelling of 28876583573 in words is "twenty-eight billion, eight hundred seventy-six million, five hundred eighty-three thousand, five hundred seventy-three".