28211707426 has 32 divisors (see below), whose sum is σ = 48653337600. Its totient is φ = 12018249936.

The previous prime is 28211707421. The next prime is 28211707457. The reversal of 28211707426 is 62470711282.

It is not an unprimeable number, because it can be changed into a prime (28211707421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3235765 + ... + 3244471.

It is an arithmetic number, because the mean of its divisors is an integer number (1520416800).

Almost surely, 2^28211707426 is an apocalyptic number.

28211707426 is a deficient number, since it is larger than the sum of its proper divisors (20441630174).

28211707426 is a wasteful number, since it uses less digits than its factorization.

28211707426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10078.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 28211707426 in words is "twenty-eight billion, two hundred eleven million, seven hundred seven thousand, four hundred twenty-six".