8386577677 has 4 divisors (see below), whose sum is σ = 8413034076. Its totient is φ = 8360121280.

The previous prime is 8386577663. The next prime is 8386577707. The reversal of 8386577677 is 7767756838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4880279881 + 3506297796 = 69859^2 + 59214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8386577677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8386577477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13227724 + ... + 13228357.

It is an arithmetic number, because the mean of its divisors is an integer number (2103258519).

Almost surely, 2^8386577677 is an apocalyptic number.

It is an amenable number.

8386577677 is a deficient number, since it is larger than the sum of its proper divisors (26456399).

8386577677 is a wasteful number, since it uses less digits than its factorization.

8386577677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26456398.

The product of its digits is 82978560, while the sum is 64.

The square root of 8386577677 is about 91578.2598491585. The cubic root of 8386577677 is about 2031.7094062462.

The spelling of 8386577677 in words is "eight billion, three hundred eighty-six million, five hundred seventy-seven thousand, six hundred seventy-seven".