28600028903 has 4 divisors (see below), whose sum is σ = 28883197608. Its totient is φ = 28316860200.

The previous prime is 28600028869. The next prime is 28600028929. The reversal of 28600028903 is 30982000682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28600028903 - 2¹² = 28600024807 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 (28600028953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141584201 + ... + 141584402.

It is an arithmetic number, because the mean of its divisors is an integer number (7220799402).

Almost surely, 2^28600028903 is an apocalyptic number.

28600028903 is a deficient number, since it is larger than the sum of its proper divisors (283168705).

28600028903 is a wasteful number, since it uses less digits than its factorization.

28600028903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283168704.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 28600028903 in words is "twenty-eight billion, six hundred million, twenty-eight thousand, nine hundred three".