8677920577 has 2 divisors, whose sum is σ = 8677920578. Its totient is φ = 8677920576.

The previous prime is 8677920553. The next prime is 8677920593. The reversal of 8677920577 is 7750297768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6171516481 + 2506404096 = 78559^2 + 50064^2 .

It is a cyclic number.

It is not a de Polignac number, because 8677920577 - 2¹⁵ = 8677887809 is a prime.

It is not a weakly prime, because it can be changed into another prime (8677920077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4338960288 + 4338960289.

It is an arithmetic number, because the mean of its divisors is an integer number (4338960289).

Almost surely, 2^8677920577 is an apocalyptic number.

It is an amenable number.

8677920577 is a deficient number, since it is larger than the sum of its proper divisors (1).

8677920577 is an equidigital number, since it uses as much as digits as its factorization.

8677920577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10372320, while the sum is 58.

The square root of 8677920577 is about 93155.3572104149. The cubic root of 8677920577 is about 2054.9687582545.

The spelling of 8677920577 in words is "eight billion, six hundred seventy-seven million, nine hundred twenty thousand, five hundred seventy-seven".