8787403739489 has 2 divisors, whose sum is σ = 8787403739490. Its totient is φ = 8787403739488.

The previous prime is 8787403739461. The next prime is 8787403739581. The reversal of 8787403739489 is 9849373047878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6294162739489 + 2493241000000 = 2508817^2 + 1579000^2 .

It is a cyclic number.

It is not a de Polignac number, because 8787403739489 - 2¹⁶ = 8787403673953 is a prime.

It is a super-2 number, since 2×8787403739489² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8787403739419) 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, 4393701869744 + 4393701869745.

It is an arithmetic number, because the mean of its divisors is an integer number (4393701869745).

Almost surely, 2^{8787403739489} is an apocalyptic number.

It is an amenable number.

8787403739489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8787403739489 is an equidigital number, since it uses as much as digits as its factorization.

8787403739489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048385024, while the sum is 77.

The spelling of 8787403739489 in words is "eight trillion, seven hundred eighty-seven billion, four hundred three million, seven hundred thirty-nine thousand, four hundred eighty-nine".