8550667856 has 10 divisors (see below), whose sum is σ = 16566919002. Its totient is φ = 4275333920.

The previous prime is 8550667823. The next prime is 8550667859. The reversal of 8550667856 is 6587660558.

It can be written as a sum of positive squares in only one way, i.e., 5988283456 + 2562384400 = 77384^2 + 50620^2 .

It is a super-2 number, since 2×8550667856² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8550667859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267208355 + ... + 267208386.

Almost surely, 2^8550667856 is an apocalyptic number.

It is an amenable number.

8550667856 is a deficient number, since it is larger than the sum of its proper divisors (8016251146).

8550667856 is a wasteful number, since it uses less digits than its factorization.

8550667856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534416749 (or 534416743 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 56.

The square root of 8550667856 is about 92469.8213256628. The cubic root of 8550667856 is about 2044.8745930115.

The spelling of 8550667856 in words is "eight billion, five hundred fifty million, six hundred sixty-seven thousand, eight hundred fifty-six".