8267631121 has 4 divisors (see below), whose sum is σ = 8274348544. Its totient is φ = 8260913700.

The previous prime is 8267631109. The next prime is 8267631137. The reversal of 8267631121 is 1211367628.

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.

It is a cyclic number.

It is not a de Polignac number, because 8267631121 - 2⁷ = 8267630993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8267631191) 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, 3356865 + ... + 3359326.

It is an arithmetic number, because the mean of its divisors is an integer number (2068587136).

Almost surely, 2^8267631121 is an apocalyptic number.

It is an amenable number.

8267631121 is a deficient number, since it is larger than the sum of its proper divisors (6717423).

8267631121 is a wasteful number, since it uses less digits than its factorization.

8267631121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717422.

The product of its digits is 24192, while the sum is 37.

The square root of 8267631121 is about 90926.5149502608. The cubic root of 8267631121 is about 2022.0584122218.

Adding to 8267631121 its reverse (1211367628), we get a palindrome (9478998749).

The spelling of 8267631121 in words is "eight billion, two hundred sixty-seven million, six hundred thirty-one thousand, one hundred twenty-one".