28926958843 has 4 divisors (see below), whose sum is σ = 28927390968. Its totient is φ = 28926526720.

The previous prime is 28926958817. The next prime is 28926958859. The reversal of 28926958843 is 34885962982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28926958843 - 2⁵ = 28926958811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28926958813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91846 + ... + 257467.

It is an arithmetic number, because the mean of its divisors is an integer number (7231847742).

Almost surely, 2^28926958843 is an apocalyptic number.

28926958843 is a deficient number, since it is larger than the sum of its proper divisors (432125).

28926958843 is an equidigital number, since it uses as much as digits as its factorization.

28926958843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432124.

The product of its digits is 59719680, while the sum is 64.

The spelling of 28926958843 in words is "twenty-eight billion, nine hundred twenty-six million, nine hundred fifty-eight thousand, eight hundred forty-three".