28316432354 has 16 divisors (see below), whose sum is σ = 48689117376. Its totient is φ = 12098948400.

The previous prime is 28316432327. The next prime is 28316432407. The reversal of 28316432354 is 45323461382.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050657 + ... + 3059924.

It is an arithmetic number, because the mean of its divisors is an integer number (3043069836).

Almost surely, 2^28316432354 is an apocalyptic number.

28316432354 is a deficient number, since it is larger than the sum of its proper divisors (20372685022).

28316432354 is a wasteful number, since it uses less digits than its factorization.

28316432354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110921.

The product of its digits is 414720, while the sum is 41.

The spelling of 28316432354 in words is "twenty-eight billion, three hundred sixteen million, four hundred thirty-two thousand, three hundred fifty-four".