28171034006 has 4 divisors (see below), whose sum is σ = 42256551012. Its totient is φ = 14085517002.

The previous prime is 28171033967. The next prime is 28171034009. The reversal of 28171034006 is 60043017182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28171034009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7042758500 + ... + 7042758503.

It is an arithmetic number, because the mean of its divisors is an integer number (10564137753).

Almost surely, 2^28171034006 is an apocalyptic number.

28171034006 is a deficient number, since it is larger than the sum of its proper divisors (14085517006).

28171034006 is a wasteful number, since it uses less digits than its factorization.

28171034006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14085517005.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 28171034006 in words is "twenty-eight billion, one hundred seventy-one million, thirty-four thousand, six".