986518847 has 4 divisors (see below), whose sum is σ = 987422520. Its totient is φ = 985615176.

The previous prime is 986518831. The next prime is 986518867. The reversal of 986518847 is 748815689.

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

It is a cyclic number.

It is not a de Polignac number, because 986518847 - 2⁴ = 986518831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 986518792 and 986518801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986518867) 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, 450197 + ... + 452382.

It is an arithmetic number, because the mean of its divisors is an integer number (246855630).

Almost surely, 2^986518847 is an apocalyptic number.

986518847 is a deficient number, since it is larger than the sum of its proper divisors (903673).

986518847 is a wasteful number, since it uses less digits than its factorization.

986518847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903672.

The product of its digits is 3870720, while the sum is 56.

The square root of 986518847 is about 31408.8975769606. The cubic root of 986518847 is about 995.4859362222.

The spelling of 986518847 in words is "nine hundred eighty-six million, five hundred eighteen thousand, eight hundred forty-seven".