28806745434 has 8 divisors (see below), whose sum is σ = 57613490880. Its totient is φ = 9602248476.

The previous prime is 28806745411. The next prime is 28806745441. The reversal of 28806745434 is 43454760882.

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

28806745434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400562114 + ... + 2400562125.

It is an arithmetic number, because the mean of its divisors is an integer number (7201686360).

Almost surely, 2^28806745434 is an apocalyptic number.

28806745434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28806745434 is a wasteful number, since it uses less digits than its factorization.

28806745434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801124244.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 28806745434 in words is "twenty-eight billion, eight hundred six million, seven hundred forty-five thousand, four hundred thirty-four".