104863431887 has 2 divisors, whose sum is σ = 104863431888. Its totient is φ = 104863431886.

The previous prime is 104863431821. The next prime is 104863431889. The reversal of 104863431887 is 788134368401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104863431887 - 2¹⁰ = 104863430863 is a prime.

Together with 104863431889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104863431889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52431715943 + 52431715944.

It is an arithmetic number, because the mean of its divisors is an integer number (52431715944).

Almost surely, 2^104863431887 is an apocalyptic number.

104863431887 is a deficient number, since it is larger than the sum of its proper divisors (1).

104863431887 is an equidigital number, since it uses as much as digits as its factorization.

104863431887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 104863431887 in words is "one hundred four billion, eight hundred sixty-three million, four hundred thirty-one thousand, eight hundred eighty-seven".