8894499685 has 4 divisors (see below), whose sum is σ = 10673399628. Its totient is φ = 7115599744.

The previous prime is 8894499683. The next prime is 8894499707. The reversal of 8894499685 is 5869944988.

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 5195670561 + 3698829124 = 72081^2 + 60818^2 .

It is a cyclic number.

It is not a de Polignac number, because 8894499685 - 2¹ = 8894499683 is a prime.

It is a super-2 number, since 2×8894499685² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8894499683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889449964 + ... + 889449973.

It is an arithmetic number, because the mean of its divisors is an integer number (2668349907).

Almost surely, 2^8894499685 is an apocalyptic number.

It is an amenable number.

8894499685 is a deficient number, since it is larger than the sum of its proper divisors (1778899943).

8894499685 is a wasteful number, since it uses less digits than its factorization.

8894499685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778899942.

The product of its digits is 179159040, while the sum is 70.

The square root of 8894499685 is about 94310.6552039588. The cubic root of 8894499685 is about 2071.9240968310.

The spelling of 8894499685 in words is "eight billion, eight hundred ninety-four million, four hundred ninety-nine thousand, six hundred eighty-five".