28323236953764 has 27 divisors (see below), whose sum is σ = 71594929682913. Its totient is φ = 9441068340672.

The previous prime is 28323236953733. The next prime is 28323236953777. The reversal of 28323236953764 is 46735963232382.

The square root of 28323236953764 is 5321958.

It is a perfect power (a square), and thus also a powerful number.

28323236953764 is a `hidden beast` number, since 2 + 8 + 3 + 2 + 3 + 2 + 36 + 9 + 537 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2143559528100 + 26179677425664 = 1464090^2 + 5116608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31488252 + ... + 32375244.

Almost surely, 2^{28323236953764} is an apocalyptic number.

28323236953764 is the 5321958-th square number.

It is an amenable number.

28323236953764 is an abundant number, since it is smaller than the sum of its proper divisors (43271692729149).

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

28323236953764 is an frugal number, since it uses more digits than its factorization.

28323236953764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773996 (or 886998 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 63.

The spelling of 28323236953764 in words is "twenty-eight trillion, three hundred twenty-three billion, two hundred thirty-six million, nine hundred fifty-three thousand, seven hundred sixty-four".