28716031711 has 2 divisors, whose sum is σ = 28716031712. Its totient is φ = 28716031710.

The previous prime is 28716031709. The next prime is 28716031723. The reversal of 28716031711 is 11713061782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28716031711 - 2¹ = 28716031709 is a prime.

It is a super-2 number, since 2×28716031711² (a number of 22 digits) contains 22 as substring.

Together with 28716031709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28716031741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14358015855 + 14358015856.

It is an arithmetic number, because the mean of its divisors is an integer number (14358015856).

Almost surely, 2^28716031711 is an apocalyptic number.

28716031711 is a deficient number, since it is larger than the sum of its proper divisors (1).

28716031711 is an equidigital number, since it uses as much as digits as its factorization.

28716031711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 28716031711 in words is "twenty-eight billion, seven hundred sixteen million, thirty-one thousand, seven hundred eleven".