863367790231 has 2 divisors, whose sum is σ = 863367790232. Its totient is φ = 863367790230.

The previous prime is 863367790213. The next prime is 863367790273. The reversal of 863367790231 is 132097763368.

Together with previous prime (863367790213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 863367790231 - 2⁵ = 863367790199 is a prime.

It is a super-2 number, since 2×863367790231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863367790031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431683895115 + 431683895116.

It is an arithmetic number, because the mean of its divisors is an integer number (431683895116).

Almost surely, 2^863367790231 is an apocalyptic number.

863367790231 is a deficient number, since it is larger than the sum of its proper divisors (1).

863367790231 is an equidigital number, since it uses as much as digits as its factorization.

863367790231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 863367790231 in words is "eight hundred sixty-three billion, three hundred sixty-seven million, seven hundred ninety thousand, two hundred thirty-one".