20087676637471 has 2 divisors, whose sum is σ = 20087676637472. Its totient is φ = 20087676637470.

The previous prime is 20087676637429. The next prime is 20087676637499. The reversal of 20087676637471 is 17473667678002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20087676637471 - 2²⁹ = 20087139766559 is a prime.

It is a super-3 number, since 3×20087676637471³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20087676637421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10043838318735 + 10043838318736.

It is an arithmetic number, because the mean of its divisors is an integer number (10043838318736).

Almost surely, 2^{20087676637471} is an apocalyptic number.

20087676637471 is a deficient number, since it is larger than the sum of its proper divisors (1).

20087676637471 is an equidigital number, since it uses as much as digits as its factorization.

20087676637471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99574272, while the sum is 64.

The spelling of 20087676637471 in words is "twenty trillion, eighty-seven billion, six hundred seventy-six million, six hundred thirty-seven thousand, four hundred seventy-one".