28313127 has 6 divisors (see below), whose sum is σ = 40896752. Its totient is φ = 18875412.

The previous prime is 28313119. The next prime is 28313141. The reversal of 28313127 is 72131382.

It is not a de Polignac number, because 28313127 - 2³ = 28313119 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 28313127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28313147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1572943 + ... + 1572960.

Almost surely, 2^28313127 is an apocalyptic number.

28313127 is a deficient number, since it is larger than the sum of its proper divisors (12583625).

28313127 is a wasteful number, since it uses less digits than its factorization.

28313127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145909 (or 3145906 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 28313127 is about 5321.0080811816. The cubic root of 28313127 is about 304.7866536306.

The spelling of 28313127 in words is "twenty-eight million, three hundred thirteen thousand, one hundred twenty-seven".