28825604434943 has 8 divisors (see below), whose sum is σ = 28834008519360. Its totient is φ = 28817201589120.

The previous prime is 28825604434883. The next prime is 28825604434961. The reversal of 28825604434943 is 34943440652882.

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 28825604434943 - 2²⁰ = 28825603386367 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 (28825604434043) 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, 47303771 + ... + 47909267.

It is an arithmetic number, because the mean of its divisors is an integer number (3604251064920).

Almost surely, 2^{28825604434943} is an apocalyptic number.

28825604434943 is a deficient number, since it is larger than the sum of its proper divisors (8404084417).

28825604434943 is an equidigital number, since it uses as much as digits as its factorization.

28825604434943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619297.

The product of its (nonzero) digits is 159252480, while the sum is 62.

The spelling of 28825604434943 in words is "twenty-eight trillion, eight hundred twenty-five billion, six hundred four million, four hundred thirty-four thousand, nine hundred forty-three".