8985864842 has 4 divisors (see below), whose sum is σ = 13478797266. Its totient is φ = 4492932420.

The previous prime is 8985864841. The next prime is 8985864887. The reversal of 8985864842 is 2484685898.

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

It can be written as a sum of positive squares in only one way, i.e., 5371570681 + 3614294161 = 73291^2 + 60119^2 .

It is not an unprimeable number, because it can be changed into a prime (8985864841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2246466209 + ... + 2246466212.

Almost surely, 2^8985864842 is an apocalyptic number.

8985864842 is a deficient number, since it is larger than the sum of its proper divisors (4492932424).

8985864842 is a wasteful number, since it uses less digits than its factorization.

8985864842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492932423.

The product of its digits is 35389440, while the sum is 62.

The square root of 8985864842 is about 94793.8017066517. The cubic root of 8985864842 is about 2078.9942778754.

The spelling of 8985864842 in words is "eight billion, nine hundred eighty-five million, eight hundred sixty-four thousand, eight hundred forty-two".