28716711 has 8 divisors (see below), whose sum is σ = 38314224. Its totient is φ = 19131840.

The previous prime is 28716697. The next prime is 28716739. The reversal of 28716711 is 11761782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28716711 - 2¹⁵ = 28683943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28716761) 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, 5665 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (4789278).

Almost surely, 2^28716711 is an apocalyptic number.

28716711 is a deficient number, since it is larger than the sum of its proper divisors (9597513).

28716711 is a wasteful number, since it uses less digits than its factorization.

28716711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321.

The product of its digits is 4704, while the sum is 33.

The square root of 28716711 is about 5358.7975330292. The cubic root of 28716711 is about 306.2280008632.

The spelling of 28716711 in words is "twenty-eight million, seven hundred sixteen thousand, seven hundred eleven".