28250166323 has 8 divisors (see below), whose sum is σ = 29483700000. Its totient is φ = 27017071488.

The previous prime is 28250166293. The next prime is 28250166331. The reversal of 28250166323 is 32366105282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28250166323 - 2²⁸ = 27981730867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28250166353) 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 7 ways as a sum of consecutive naturals, for example, 25403 + ... + 239051.

It is an arithmetic number, because the mean of its divisors is an integer number (3685462500).

Almost surely, 2^28250166323 is an apocalyptic number.

28250166323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28250166323 is a deficient number, since it is larger than the sum of its proper divisors (1233533677).

28250166323 is a wasteful number, since it uses less digits than its factorization.

28250166323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219421.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 28250166323 in words is "twenty-eight billion, two hundred fifty million, one hundred sixty-six thousand, three hundred twenty-three".