28670952143 has 8 divisors (see below), whose sum is σ = 28835840880. Its totient is φ = 28506116160.

The previous prime is 28670952077. The next prime is 28670952203. The reversal of 28670952143 is 34125907682.

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

It is a cyclic number.

It is not a de Polignac number, because 28670952143 - 2¹⁰ = 28670951119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28670952043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731821 + ... + 1748297.

It is an arithmetic number, because the mean of its divisors is an integer number (3604480110).

It is a 2-persistent number, because it is pandigital, and so is 2⋅28670952143 = 57341904286, but 3⋅28670952143 = 86012856429 is not.

Almost surely, 2^28670952143 is an apocalyptic number.

28670952143 is a deficient number, since it is larger than the sum of its proper divisors (164888737).

28670952143 is a wasteful number, since it uses less digits than its factorization.

28670952143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26377.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 28670952143 in words is "twenty-eight billion, six hundred seventy million, nine hundred fifty-two thousand, one hundred forty-three".