28923753693184 has 192 divisors, whose sum is σ = 67413865643820. Its totient is φ = 12373257093120.

The previous prime is 28923753693161. The next prime is 28923753693283. The reversal of 28923753693184 is 48139635732982.

It can be written as a sum of positive squares in 2 ways, for example, as 22918509379584 + 6005244313600 = 4787328^2 + 2450560^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894320854 + ... + 894353194.

Almost surely, 2^{28923753693184} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28923753693184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33706932821910).

28923753693184 is an abundant number, since it is smaller than the sum of its proper divisors (38490111950636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28923753693184 is an frugal number, since it uses more digits than its factorization.

28923753693184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32942 (or 32907 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 70.

The spelling of 28923753693184 in words is "twenty-eight trillion, nine hundred twenty-three billion, seven hundred fifty-three million, six hundred ninety-three thousand, one hundred eighty-four".