863426332487 has 2 divisors, whose sum is σ = 863426332488. Its totient is φ = 863426332486.

The previous prime is 863426332423. The next prime is 863426332507. The reversal of 863426332487 is 784233624368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 863426332487 - 2⁶ = 863426332423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863426331487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431713166243 + 431713166244.

It is an arithmetic number, because the mean of its divisors is an integer number (431713166244).

Almost surely, 2^863426332487 is an apocalyptic number.

863426332487 is a deficient number, since it is larger than the sum of its proper divisors (1).

863426332487 is an equidigital number, since it uses as much as digits as its factorization.

863426332487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 56.

The spelling of 863426332487 in words is "eight hundred sixty-three billion, four hundred twenty-six million, three hundred thirty-two thousand, four hundred eighty-seven".