28101170243 has 8 divisors (see below), whose sum is σ = 28133219856. Its totient is φ = 28069142400.

The previous prime is 28101170231. The next prime is 28101170249. The reversal of 28101170243 is 34207110182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28101170243 - 2⁶ = 28101170179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28101170249) 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, 4152983 + ... + 4159743.

It is an arithmetic number, because the mean of its divisors is an integer number (3516652482).

Almost surely, 2^28101170243 is an apocalyptic number.

28101170243 is a deficient number, since it is larger than the sum of its proper divisors (32049613).

28101170243 is a wasteful number, since it uses less digits than its factorization.

28101170243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 28101170243 in words is "twenty-eight billion, one hundred one million, one hundred seventy thousand, two hundred forty-three".