7864112231 has 2 divisors, whose sum is σ = 7864112232. Its totient is φ = 7864112230.

The previous prime is 7864112189. The next prime is 7864112237. The reversal of 7864112231 is 1322114687.

It is a strong prime.

It is an emirp because it is prime and its reverse (1322114687) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7864112231 is a prime.

It is a super-2 number, since 2×7864112231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7864112191 and 7864112200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7864112237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3932056115 + 3932056116.

It is an arithmetic number, because the mean of its divisors is an integer number (3932056116).

Almost surely, 2^7864112231 is an apocalyptic number.

7864112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7864112231 is an equidigital number, since it uses as much as digits as its factorization.

7864112231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 7864112231 is about 88679.8298994760. The cubic root of 7864112231 is about 1988.6112909992.

The spelling of 7864112231 in words is "seven billion, eight hundred sixty-four million, one hundred twelve thousand, two hundred thirty-one".