28360725253 has 24 divisors (see below), whose sum is σ = 33972922368. Its totient is φ = 23190400992.

The previous prime is 28360725251. The next prime is 28360725277. The reversal of 28360725253 is 35252706382.

It is not a de Polignac number, because 28360725253 - 2¹ = 28360725251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28360725251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1408251 + ... + 1428247.

It is an arithmetic number, because the mean of its divisors is an integer number (1415538432).

Almost surely, 2^28360725253 is an apocalyptic number.

28360725253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28360725253 is a deficient number, since it is larger than the sum of its proper divisors (5612197115).

28360725253 is a wasteful number, since it uses less digits than its factorization.

28360725253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433 (or 20410 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 28360725253 in words is "twenty-eight billion, three hundred sixty million, seven hundred twenty-five thousand, two hundred fifty-three".