8977669868149 has 2 divisors, whose sum is σ = 8977669868150. Its totient is φ = 8977669868148.

The previous prime is 8977669868147. The next prime is 8977669868183. The reversal of 8977669868149 is 9418689667798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8975674459249 + 1995408900 = 2995943^2 + 44670^2 .

It is a cyclic number.

It is not a de Polignac number, because 8977669868149 - 2¹ = 8977669868147 is a prime.

It is a super-2 number, since 2×8977669868149² (a number of 27 digits) contains 22 as substring.

Together with 8977669868147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8977669868149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8977669868147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4488834934074 + 4488834934075.

It is an arithmetic number, because the mean of its divisors is an integer number (4488834934075).

Almost surely, 2^{8977669868149} is an apocalyptic number.

It is an amenable number.

8977669868149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8977669868149 is an equidigital number, since it uses as much as digits as its factorization.

8977669868149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15801827328, while the sum is 88.

The spelling of 8977669868149 in words is "eight trillion, nine hundred seventy-seven billion, six hundred sixty-nine million, eight hundred sixty-eight thousand, one hundred forty-nine".