28713327 has 4 divisors (see below), whose sum is σ = 38284440. Its totient is φ = 19142216.

The previous prime is 28713317. The next prime is 28713331. The reversal of 28713327 is 72331782.

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

It is a cyclic number.

It is not a de Polignac number, because 28713327 - 2⁸ = 28713071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28713317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785552 + ... + 4785557.

It is an arithmetic number, because the mean of its divisors is an integer number (9571110).

Almost surely, 2^28713327 is an apocalyptic number.

28713327 is a deficient number, since it is larger than the sum of its proper divisors (9571113).

28713327 is an equidigital number, since it uses as much as digits as its factorization.

28713327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9571112.

The product of its digits is 14112, while the sum is 33.

The square root of 28713327 is about 5358.4817812511. The cubic root of 28713327 is about 306.2159716738.

The spelling of 28713327 in words is "twenty-eight million, seven hundred thirteen thousand, three hundred twenty-seven".