28323639466 has 8 divisors (see below), whose sum is σ = 42486209280. Its totient is φ = 14161569708.

The previous prime is 28323639431. The next prime is 28323639523. The reversal of 28323639466 is 66493632382.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91785 + ... + 255091.

It is an arithmetic number, because the mean of its divisors is an integer number (5310776160).

Almost surely, 2^28323639466 is an apocalyptic number.

28323639466 is a deficient number, since it is larger than the sum of its proper divisors (14162569814).

28323639466 is a wasteful number, since it uses less digits than its factorization.

28323639466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250028.

The product of its digits is 6718464, while the sum is 52.

The spelling of 28323639466 in words is "twenty-eight billion, three hundred twenty-three million, six hundred thirty-nine thousand, four hundred sixty-six".