28900330143 has 16 divisors (see below), whose sum is σ = 39435179520. Its totient is φ = 18816303744.

The previous prime is 28900330097. The next prime is 28900330153. The reversal of 28900330143 is 34103300982.

It is a happy number.

It is not a de Polignac number, because 28900330143 - 2¹⁴ = 28900313759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28900330153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860055 + ... + 1875527.

It is an arithmetic number, because the mean of its divisors is an integer number (2464698720).

Almost surely, 2^28900330143 is an apocalyptic number.

28900330143 is a deficient number, since it is larger than the sum of its proper divisors (10534849377).

28900330143 is a wasteful number, since it uses less digits than its factorization.

28900330143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29998.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 28900330143 in words is "twenty-eight billion, nine hundred million, three hundred thirty thousand, one hundred forty-three".