8969999677 has 2 divisors, whose sum is σ = 8969999678. Its totient is φ = 8969999676.

The previous prime is 8969999653. The next prime is 8969999723. The reversal of 8969999677 is 7769999698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7897699161 + 1072300516 = 88869^2 + 32746^2 .

It is a cyclic number.

It is not a de Polignac number, because 8969999677 - 2²⁷ = 8835781949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8969999597 and 8969999606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8969999177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4484999838 + 4484999839.

It is an arithmetic number, because the mean of its divisors is an integer number (4484999839).

Almost surely, 2^8969999677 is an apocalyptic number.

It is an amenable number.

8969999677 is a deficient number, since it is larger than the sum of its proper divisors (1).

8969999677 is an equidigital number, since it uses as much as digits as its factorization.

8969999677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 833299488, while the sum is 79.

The square root of 8969999677 is about 94710.0822352087. The cubic root of 8969999677 is about 2077.7700210938.

The spelling of 8969999677 in words is "eight billion, nine hundred sixty-nine million, nine hundred ninety-nine thousand, six hundred seventy-seven".