28463678 has 16 divisors (see below), whose sum is σ = 46260720. Its totient is φ = 13082496.

The previous prime is 28463641. The next prime is 28463707. The reversal of 28463678 is 87636482.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8273 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (2891295).

Almost surely, 2^28463678 is an apocalyptic number.

28463678 is a deficient number, since it is larger than the sum of its proper divisors (17797042).

28463678 is a wasteful number, since it uses less digits than its factorization.

28463678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19531.

The product of its digits is 387072, while the sum is 44.

The square root of 28463678 is about 5335.1361744570. The cubic root of 28463678 is about 305.3259187362.

The spelling of 28463678 in words is "twenty-eight million, four hundred sixty-three thousand, six hundred seventy-eight".