87368583483991 has 2 divisors, whose sum is σ = 87368583483992. Its totient is φ = 87368583483990.

The previous prime is 87368583483977. The next prime is 87368583484009. The reversal of 87368583483991 is 19938438586378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87368583483991 - 2⁵ = 87368583483959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87368583483971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43684291741995 + 43684291741996.

It is an arithmetic number, because the mean of its divisors is an integer number (43684291741996).

Almost surely, 2^{87368583483991} is an apocalyptic number.

87368583483991 is a deficient number, since it is larger than the sum of its proper divisors (1).

87368583483991 is an equidigital number, since it uses as much as digits as its factorization.

87368583483991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7524679680, while the sum is 82.

The spelling of 87368583483991 in words is "eighty-seven trillion, three hundred sixty-eight billion, five hundred eighty-three million, four hundred eighty-three thousand, nine hundred ninety-one".