28588742711 has 4 divisors (see below), whose sum is σ = 30093413400. Its totient is φ = 27084072024.

The previous prime is 28588742669. The next prime is 28588742713. The reversal of 28588742711 is 11724788582.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28588742711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28588742713) 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, 752335316 + ... + 752335353.

It is an arithmetic number, because the mean of its divisors is an integer number (7523353350).

Almost surely, 2^28588742711 is an apocalyptic number.

28588742711 is a deficient number, since it is larger than the sum of its proper divisors (1504670689).

28588742711 is a wasteful number, since it uses less digits than its factorization.

28588742711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504670688.

The product of its digits is 2007040, while the sum is 53.

The spelling of 28588742711 in words is "twenty-eight billion, five hundred eighty-eight million, seven hundred forty-two thousand, seven hundred eleven".