104195887 has 2 divisors, whose sum is σ = 104195888. Its totient is φ = 104195886.

The previous prime is 104195813. The next prime is 104195891. The reversal of 104195887 is 788591401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104195887 - 2⁷ = 104195759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104195087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52097943 + 52097944.

It is an arithmetic number, because the mean of its divisors is an integer number (52097944).

Almost surely, 2^104195887 is an apocalyptic number.

104195887 is a deficient number, since it is larger than the sum of its proper divisors (1).

104195887 is an equidigital number, since it uses as much as digits as its factorization.

104195887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 104195887 is about 10207.6386593570. The cubic root of 104195887 is about 470.5620061456.

The spelling of 104195887 in words is "one hundred four million, one hundred ninety-five thousand, eight hundred eighty-seven".