28015933143 has 48 divisors (see below), whose sum is σ = 43068678912. Its totient is φ = 16063056000.

The previous prime is 28015933123. The next prime is 28015933151. The reversal of 28015933143 is 34133951082.

It is a happy number.

It is not a de Polignac number, because 28015933143 - 2⁶ = 28015933079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28015933123) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 12281163 + ... + 12283443.

It is an arithmetic number, because the mean of its divisors is an integer number (897264144).

Almost surely, 2^28015933143 is an apocalyptic number.

28015933143 is a deficient number, since it is larger than the sum of its proper divisors (15052745769).

28015933143 is a wasteful number, since it uses less digits than its factorization.

28015933143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 28015933143 in words is "twenty-eight billion, fifteen million, nine hundred thirty-three thousand, one hundred forty-three".