2087196367523 has 2 divisors, whose sum is σ = 2087196367524. Its totient is φ = 2087196367522.

The previous prime is 2087196367489. The next prime is 2087196367559. The reversal of 2087196367523 is 3257636917802.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2087196367523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2087196360523) 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, 1043598183761 + 1043598183762.

It is an arithmetic number, because the mean of its divisors is an integer number (1043598183762).

Almost surely, 2^{2087196367523} is an apocalyptic number.

2087196367523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087196367523 is an equidigital number, since it uses as much as digits as its factorization.

2087196367523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 2087196367523 in words is "two trillion, eighty-seven billion, one hundred ninety-six million, three hundred sixty-seven thousand, five hundred twenty-three".