28814745601 has 8 divisors (see below), whose sum is σ = 29123819144. Its totient is φ = 28505917440.

The previous prime is 28814745581. The next prime is 28814745607. The reversal of 28814745601 is 10654741882.

It can be written as a sum of positive squares in 4 ways, for example, as 10285002225 + 18529743376 = 101415^2 + 136124^2 .

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 28814745601 - 2⁷ = 28814745473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28814745607) 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, 179821 + ... + 299941.

It is an arithmetic number, because the mean of its divisors is an integer number (3640477393).

Almost surely, 2^28814745601 is an apocalyptic number.

It is an amenable number.

28814745601 is a deficient number, since it is larger than the sum of its proper divisors (309073543).

28814745601 is a wasteful number, since it uses less digits than its factorization.

28814745601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122691.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 28814745601 in words is "twenty-eight billion, eight hundred fourteen million, seven hundred forty-five thousand, six hundred one".