28943445355 has 16 divisors (see below), whose sum is σ = 37900297728. Its totient is φ = 21043836000.

The previous prime is 28943445301. The next prime is 28943445437. The reversal of 28943445355 is 55354434982.

It is not a de Polignac number, because 28943445355 - 2⁷ = 28943445227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127240 + ... + 272170.

It is an arithmetic number, because the mean of its divisors is an integer number (2368768608).

Almost surely, 2^28943445355 is an apocalyptic number.

28943445355 is a deficient number, since it is larger than the sum of its proper divisors (8956852373).

28943445355 is a wasteful number, since it uses less digits than its factorization.

28943445355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148578.

The product of its digits is 10368000, while the sum is 52.

The spelling of 28943445355 in words is "twenty-eight billion, nine hundred forty-three million, four hundred forty-five thousand, three hundred fifty-five".