8266287131 has 4 divisors (see below), whose sum is σ = 8267105952. Its totient is φ = 8265468312.

The previous prime is 8266287089. The next prime is 8266287149. The reversal of 8266287131 is 1317826628.

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 8266287131 - 2⁶ = 8266287067 is a prime.

It is a super-2 number, since 2×8266287131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8266287431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394076 + ... + 414521.

It is an arithmetic number, because the mean of its divisors is an integer number (2066776488).

Almost surely, 2^8266287131 is an apocalyptic number.

8266287131 is a deficient number, since it is larger than the sum of its proper divisors (818821).

8266287131 is a wasteful number, since it uses less digits than its factorization.

8266287131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818820.

The product of its digits is 193536, while the sum is 44.

The square root of 8266287131 is about 90919.1241213860. The cubic root of 8266287131 is about 2021.9488373622.

The spelling of 8266287131 in words is "eight billion, two hundred sixty-six million, two hundred eighty-seven thousand, one hundred thirty-one".