28341632705 has 8 divisors (see below), whose sum is σ = 36010545192. Its totient is φ = 21339582208.

The previous prime is 28341632699. The next prime is 28341632713. The reversal of 28341632705 is 50723614382.

It can be written as a sum of positive squares in 4 ways, for example, as 6252539329 + 22089093376 = 79073^2 + 148624^2 .

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 28341632705 - 2³⁴ = 11161763521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166715402 + ... + 166715571.

It is an arithmetic number, because the mean of its divisors is an integer number (4501318149).

Almost surely, 2^28341632705 is an apocalyptic number.

It is an amenable number.

28341632705 is a deficient number, since it is larger than the sum of its proper divisors (7668912487).

28341632705 is a wasteful number, since it uses less digits than its factorization.

28341632705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333430995.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 28341632705 in words is "twenty-eight billion, three hundred forty-one million, six hundred thirty-two thousand, seven hundred five".