8996987685 has 32 divisors (see below), whose sum is σ = 16611379200. Its totient is φ = 4072972608.

The previous prime is 8996987683. The next prime is 8996987767. The reversal of 8996987685 is 5867896998.

It is not a de Polignac number, because 8996987685 - 2¹ = 8996987683 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8996987683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405135 + ... + 426764.

It is an arithmetic number, because the mean of its divisors is an integer number (519105600).

Almost surely, 2^8996987685 is an apocalyptic number.

It is an amenable number.

8996987685 is a deficient number, since it is larger than the sum of its proper divisors (7614391515).

8996987685 is a wasteful number, since it uses less digits than its factorization.

8996987685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832017.

The product of its digits is 470292480, while the sum is 75.

The square root of 8996987685 is about 94852.4521823237. The cubic root of 8996987685 is about 2079.8517279816.

The spelling of 8996987685 in words is "eight billion, nine hundred ninety-six million, nine hundred eighty-seven thousand, six hundred eighty-five".