28759323375 has 80 divisors (see below), whose sum is σ = 53841147360. Its totient is φ = 15336993600.

The previous prime is 28759323347. The next prime is 28759323377. The reversal of 28759323375 is 57332395782.

28759323375 is a `hidden beast` number, since 28 + 7 + 593 + 23 + 3 + 7 + 5 = 666.

It is not a de Polignac number, because 28759323375 - 2¹² = 28759319279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28759323377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2454531 + ... + 2466219.

It is an arithmetic number, because the mean of its divisors is an integer number (673014342).

Almost surely, 2^28759323375 is an apocalyptic number.

28759323375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28759323375 is a deficient number, since it is larger than the sum of its proper divisors (25081823985).

28759323375 is an frugal number, since it uses more digits than its factorization.

28759323375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11731 (or 11697 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The spelling of 28759323375 in words is "twenty-eight billion, seven hundred fifty-nine million, three hundred twenty-three thousand, three hundred seventy-five".