28671936326 has 32 divisors (see below), whose sum is σ = 48315456288. Its totient is φ = 12646333440.

The previous prime is 28671936317. The next prime is 28671936409. The reversal of 28671936326 is 62363917682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 256406 + ... + 350838.

It is an arithmetic number, because the mean of its divisors is an integer number (1509858009).

Almost surely, 2^28671936326 is an apocalyptic number.

28671936326 is a deficient number, since it is larger than the sum of its proper divisors (19643519962).

28671936326 is a wasteful number, since it uses less digits than its factorization.

28671936326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94856.

The product of its digits is 3919104, while the sum is 53.

The spelling of 28671936326 in words is "twenty-eight billion, six hundred seventy-one million, nine hundred thirty-six thousand, three hundred twenty-six".