28067420711 has 16 divisors (see below), whose sum is σ = 32758915200. Its totient is φ = 23776610400.

The previous prime is 28067420687. The next prime is 28067420713. The reversal of 28067420711 is 11702476082.

It is a cyclic number.

It is not a de Polignac number, because 28067420711 - 2¹⁰ = 28067419687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28067420713) 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, 1088021 + ... + 1113518.

It is an arithmetic number, because the mean of its divisors is an integer number (2047432200).

Almost surely, 2^28067420711 is an apocalyptic number.

28067420711 is a deficient number, since it is larger than the sum of its proper divisors (4691494489).

28067420711 is a wasteful number, since it uses less digits than its factorization.

28067420711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201630.

The product of its (nonzero) digits is 37632, while the sum is 38.

Adding to 28067420711 its reverse (11702476082), we get a palindrome (39769896793).

The spelling of 28067420711 in words is "twenty-eight billion, sixty-seven million, four hundred twenty thousand, seven hundred eleven".