86071763231 has 2 divisors, whose sum is σ = 86071763232. Its totient is φ = 86071763230.

The previous prime is 86071763209. The next prime is 86071763237. The reversal of 86071763231 is 13236717068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86071763231 - 2¹⁰ = 86071762207 is a prime.

It is a super-2 number, since 2×86071763231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86071763237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035881615 + 43035881616.

It is an arithmetic number, because the mean of its divisors is an integer number (43035881616).

Almost surely, 2^86071763231 is an apocalyptic number.

86071763231 is a deficient number, since it is larger than the sum of its proper divisors (1).

86071763231 is an equidigital number, since it uses as much as digits as its factorization.

86071763231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 86071763231 in words is "eighty-six billion, seventy-one million, seven hundred sixty-three thousand, two hundred thirty-one".