28600142873 has 4 divisors (see below), whose sum is σ = 28626455040. Its totient is φ = 28573830708.

The previous prime is 28600142869. The next prime is 28600142881. The reversal of 28600142873 is 37824100682.

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.

It is a cyclic number.

It is not a de Polignac number, because 28600142873 - 2² = 28600142869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28600142873.

It is not an unprimeable number, because it can be changed into a prime (28600142803) 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, 13154453 + ... + 13156626.

It is an arithmetic number, because the mean of its divisors is an integer number (7156613760).

Almost surely, 2^28600142873 is an apocalyptic number.

It is an amenable number.

28600142873 is a deficient number, since it is larger than the sum of its proper divisors (26312167).

28600142873 is a wasteful number, since it uses less digits than its factorization.

28600142873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26312166.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 28600142873 in words is "twenty-eight billion, six hundred million, one hundred forty-two thousand, eight hundred seventy-three".