8787403739461 has 2 divisors, whose sum is σ = 8787403739462. Its totient is φ = 8787403739460.

The previous prime is 8787403739441. The next prime is 8787403739489. The reversal of 8787403739461 is 1649373047878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6397009451361 + 2390394288100 = 2529231^2 + 1546090^2 .

It is a cyclic number.

It is not a de Polignac number, because 8787403739461 - 2¹³ = 8787403731269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8787403739441) 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, 4393701869730 + 4393701869731.

It is an arithmetic number, because the mean of its divisors is an integer number (4393701869731).

Almost surely, 2^{8787403739461} is an apocalyptic number.

It is an amenable number.

8787403739461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8787403739461 is an equidigital number, since it uses as much as digits as its factorization.

8787403739461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170698752, while the sum is 67.

It can be divided in two parts, 878740 and 3739461, that added together give a square (4618201 = 2149²).

The spelling of 8787403739461 in words is "eight trillion, seven hundred eighty-seven billion, four hundred three million, seven hundred thirty-nine thousand, four hundred sixty-one".