28030127 has 8 divisors (see below), whose sum is σ = 30481776. Its totient is φ = 25667712.

The previous prime is 28030099. The next prime is 28030193. The reversal of 28030127 is 72103082.

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 28030127 - 2⁸ = 28029871 is a prime.

It is a super-2 number, since 2×28030127² = 1571376039272258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28030427) 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, 21653 + ... + 22910.

It is an arithmetic number, because the mean of its divisors is an integer number (3810222).

Almost surely, 2^28030127 is an apocalyptic number.

28030127 is a deficient number, since it is larger than the sum of its proper divisors (2451649).

28030127 is a wasteful number, since it uses less digits than its factorization.

28030127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44617.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 28030127 is about 5294.3485907144. The cubic root of 28030127 is about 303.7677668597.

The spelling of 28030127 in words is "twenty-eight million, thirty thousand, one hundred twenty-seven".