28671263774 has 16 divisors (see below), whose sum is σ = 43981862112. Its totient is φ = 14014119168.

The previous prime is 28671263767. The next prime is 28671263821. The reversal of 28671263774 is 47736217682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852434 + ... + 885429.

It is an arithmetic number, because the mean of its divisors is an integer number (2748866382).

Almost surely, 2^28671263774 is an apocalyptic number.

28671263774 is a deficient number, since it is larger than the sum of its proper divisors (15310598338).

28671263774 is a wasteful number, since it uses less digits than its factorization.

28671263774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738051.

The product of its digits is 4741632, while the sum is 53.

The spelling of 28671263774 in words is "twenty-eight billion, six hundred seventy-one million, two hundred sixty-three thousand, seven hundred seventy-four".