28424161267 has 4 divisors (see below), whose sum is σ = 28614927600. Its totient is φ = 28233394936.

The previous prime is 28424161243. The next prime is 28424161303. The reversal of 28424161267 is 76216142482.

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-28424161267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28424161067) 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, 95382943 + ... + 95383240.

It is an arithmetic number, because the mean of its divisors is an integer number (7153731900).

Almost surely, 2^28424161267 is an apocalyptic number.

28424161267 is a deficient number, since it is larger than the sum of its proper divisors (190766333).

28424161267 is a wasteful number, since it uses less digits than its factorization.

28424161267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190766332.

The product of its digits is 258048, while the sum is 43.

The spelling of 28424161267 in words is "twenty-eight billion, four hundred twenty-four million, one hundred sixty-one thousand, two hundred sixty-seven".