28722153369 has 16 divisors (see below), whose sum is σ = 47133790592. Its totient is φ = 15150146688.

The previous prime is 28722153367. The next prime is 28722153391. The reversal of 28722153369 is 96335122782.

It is not a de Polignac number, because 28722153369 - 2¹ = 28722153367 is a prime.

It is a super-2 number, since 2×28722153369² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28722153367) 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, 52604404 + ... + 52604949.

It is an arithmetic number, because the mean of its divisors is an integer number (2945861912).

Almost surely, 2^28722153369 is an apocalyptic number.

It is an amenable number.

28722153369 is a deficient number, since it is larger than the sum of its proper divisors (18411637223).

28722153369 is a wasteful number, since it uses less digits than its factorization.

28722153369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105209376.

The product of its digits is 1088640, while the sum is 48.

The spelling of 28722153369 in words is "twenty-eight billion, seven hundred twenty-two million, one hundred fifty-three thousand, three hundred sixty-nine".