87416965213 has 2 divisors, whose sum is σ = 87416965214. Its totient is φ = 87416965212.

The previous prime is 87416965171. The next prime is 87416965297. The reversal of 87416965213 is 31256961478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82853016964 + 4563948249 = 287842^2 + 67557^2 .

It is a cyclic number.

It is not a de Polignac number, because 87416965213 - 2³³ = 78827030621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87416965313) 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, 43708482606 + 43708482607.

It is an arithmetic number, because the mean of its divisors is an integer number (43708482607).

Almost surely, 2^87416965213 is an apocalyptic number.

It is an amenable number.

87416965213 is a deficient number, since it is larger than the sum of its proper divisors (1).

87416965213 is an equidigital number, since it uses as much as digits as its factorization.

87416965213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The spelling of 87416965213 in words is "eighty-seven billion, four hundred sixteen million, nine hundred sixty-five thousand, two hundred thirteen".