986445676873 has 4 divisors (see below), whose sum is σ = 986915638800. Its totient is φ = 985975714948.

The previous prime is 986445676871. The next prime is 986445676961. The reversal of 986445676873 is 378676544689.

986445676873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378676544689 = 615367².

It is a cyclic number.

It is not a de Polignac number, because 986445676873 - 2¹ = 986445676871 is a prime.

It is a super-2 number, since 2×986445676873² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 986445676796 and 986445676805.

It is not an unprimeable number, because it can be changed into a prime (986445676871) 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, 234977815 + ... + 234982012.

It is an arithmetic number, because the mean of its divisors is an integer number (246728909700).

Almost surely, 2^986445676873 is an apocalyptic number.

It is an amenable number.

986445676873 is a deficient number, since it is larger than the sum of its proper divisors (469961927).

986445676873 is a wasteful number, since it uses less digits than its factorization.

986445676873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469961926.

The product of its digits is 1463132160, while the sum is 73.

The spelling of 986445676873 in words is "nine hundred eighty-six billion, four hundred forty-five million, six hundred seventy-six thousand, eight hundred seventy-three".