28173200841 has 8 divisors (see below), whose sum is σ = 41738075360. Its totient is φ = 18782133876.

The previous prime is 28173200837. The next prime is 28173200843. The reversal of 28173200841 is 14800237182.

It is not a de Polignac number, because 28173200841 - 2² = 28173200837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28173200796 and 28173200805.

It is not an unprimeable number, because it can be changed into a prime (28173200843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521725915 + ... + 521725968.

It is an arithmetic number, because the mean of its divisors is an integer number (5217259420).

Almost surely, 2^28173200841 is an apocalyptic number.

It is an amenable number.

28173200841 is a deficient number, since it is larger than the sum of its proper divisors (13564874519).

28173200841 is a wasteful number, since it uses less digits than its factorization.

28173200841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043451892 (or 1043451886 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 28173200841 in words is "twenty-eight billion, one hundred seventy-three million, two hundred thousand, eight hundred forty-one".