84628053889 has 8 divisors (see below), whose sum is σ = 89625954600. Its totient is φ = 79632350976.

The previous prime is 84628053871. The next prime is 84628053959. The reversal of 84628053889 is 98835082648.

It can be written as a sum of positive squares in 4 ways, for example, as 7103118400 + 77524935489 = 84280^2 + 278433^2 .

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 84628053889 - 2¹¹ = 84628051841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84628053859) by changing a digit.

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, 469834 + ... + 624499.

It is an arithmetic number, because the mean of its divisors is an integer number (11203244325).

Almost surely, 2^84628053889 is an apocalyptic number.

It is an amenable number.

84628053889 is a deficient number, since it is larger than the sum of its proper divisors (4997900711).

84628053889 is a wasteful number, since it uses less digits than its factorization.

84628053889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098899.

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 84628053889 in words is "eighty-four billion, six hundred twenty-eight million, fifty-three thousand, eight hundred eighty-nine".