28534677 has 4 divisors (see below), whose sum is σ = 38046240. Its totient is φ = 19023116.

The previous prime is 28534669. The next prime is 28534679. The reversal of 28534677 is 77643582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28534677 - 2³ = 28534669 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28534679) 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, 4755777 + ... + 4755782.

It is an arithmetic number, because the mean of its divisors is an integer number (9511560).

Almost surely, 2^28534677 is an apocalyptic number.

It is an amenable number.

28534677 is a deficient number, since it is larger than the sum of its proper divisors (9511563).

28534677 is an equidigital number, since it uses as much as digits as its factorization.

28534677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511562.

The product of its digits is 282240, while the sum is 42.

The square root of 28534677 is about 5341.7859373060. The cubic root of 28534677 is about 305.5795734191.

The spelling of 28534677 in words is "twenty-eight million, five hundred thirty-four thousand, six hundred seventy-seven".