8787869660957 has 2 divisors, whose sum is σ = 8787869660958. Its totient is φ = 8787869660956.

The previous prime is 8787869660917. The next prime is 8787869660959. The reversal of 8787869660957 is 7590669687878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4645969013401 + 4141900647556 = 2155451^2 + 2035166^2 .

It is a cyclic number.

It is not a de Polignac number, because 8787869660957 - 2¹⁴ = 8787869644573 is a prime.

Together with 8787869660959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8787869660959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4393934830478 + 4393934830479.

It is an arithmetic number, because the mean of its divisors is an integer number (4393934830479).

Almost surely, 2^{8787869660957} is an apocalyptic number.

It is an amenable number.

8787869660957 is a deficient number, since it is larger than the sum of its proper divisors (1).

8787869660957 is an equidigital number, since it uses as much as digits as its factorization.

8787869660957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15362887680, while the sum is 86.

The spelling of 8787869660957 in words is "eight trillion, seven hundred eighty-seven billion, eight hundred sixty-nine million, six hundred sixty thousand, nine hundred fifty-seven".