28270034735878 has 8 divisors (see below), whose sum is σ = 45666979188768. Its totient is φ = 13047708339624.

The previous prime is 28270034735849. The next prime is 28270034735923. The reversal of 28270034735878 is 87853743007282.

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

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 3 ways as a sum of consecutive naturals, for example, 543654514126 + ... + 543654514177.

It is an arithmetic number, because the mean of its divisors is an integer number (5708372398596).

Almost surely, 2^{28270034735878} is an apocalyptic number.

28270034735878 is a deficient number, since it is larger than the sum of its proper divisors (17396944452890).

28270034735878 is a wasteful number, since it uses less digits than its factorization.

28270034735878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087309028318.

The product of its (nonzero) digits is 126443520, while the sum is 64.

The spelling of 28270034735878 in words is "twenty-eight trillion, two hundred seventy billion, thirty-four million, seven hundred thirty-five thousand, eight hundred seventy-eight".