8867686873 has 4 divisors (see below), whose sum is σ = 8927201700. Its totient is φ = 8808172048.

The previous prime is 8867686847. The next prime is 8867686901. The reversal of 8867686873 is 3786867688.

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 449991369 + 8417695504 = 21213^2 + 91748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8867686873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8867686799 and 8867686808.

It is not an unprimeable number, because it can be changed into a prime (8867686813) 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, 29757190 + ... + 29757487.

It is an arithmetic number, because the mean of its divisors is an integer number (2231800425).

Almost surely, 2^8867686873 is an apocalyptic number.

It is an amenable number.

8867686873 is a deficient number, since it is larger than the sum of its proper divisors (59514827).

8867686873 is a wasteful number, since it uses less digits than its factorization.

8867686873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59514826.

The product of its digits is 130056192, while the sum is 67.

The square root of 8867686873 is about 94168.3963599253. The cubic root of 8867686873 is about 2069.8400362591.

The spelling of 8867686873 in words is "eight billion, eight hundred sixty-seven million, six hundred eighty-six thousand, eight hundred seventy-three".