8894050000505 has 4 divisors (see below), whose sum is σ = 10672860000612. Its totient is φ = 7115240000400.

The previous prime is 8894050000501. The next prime is 8894050000523. The reversal of 8894050000505 is 5050000504988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4196479257961 + 4697570742544 = 2048531^2 + 2167388^2 .

It is not a de Polignac number, because 8894050000505 - 2² = 8894050000501 is a prime.

It is a super-2 number, since 2×8894050000505² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8894050000501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889405000046 + ... + 889405000055.

It is an arithmetic number, because the mean of its divisors is an integer number (2668215000153).

Almost surely, 2^{8894050000505} is an apocalyptic number.

It is an amenable number.

8894050000505 is a deficient number, since it is larger than the sum of its proper divisors (1778810000107).

8894050000505 is a wasteful number, since it uses less digits than its factorization.

8894050000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778810000106.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 8894050000505 in words is "eight trillion, eight hundred ninety-four billion, fifty million, five hundred five", and thus it is an aban number.