995355563887 has 2 divisors, whose sum is σ = 995355563888. Its totient is φ = 995355563886.

The previous prime is 995355563863. The next prime is 995355563953. The reversal of 995355563887 is 788365553599.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995355563887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995355561887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497677781943 + 497677781944.

It is an arithmetic number, because the mean of its divisors is an integer number (497677781944).

Almost surely, 2^995355563887 is an apocalyptic number.

995355563887 is a deficient number, since it is larger than the sum of its proper divisors (1).

995355563887 is an equidigital number, since it uses as much as digits as its factorization.

995355563887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720000, while the sum is 73.

The spelling of 995355563887 in words is "nine hundred ninety-five billion, three hundred fifty-five million, five hundred sixty-three thousand, eight hundred eighty-seven".