86686982677 has 4 divisors (see below), whose sum is σ = 86689647360. Its totient is φ = 86684317996.

The previous prime is 86686982647. The next prime is 86686982693. The reversal of 86686982677 is 77628968668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86686982677 - 2⁷ = 86686982549 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 (86686982617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282933 + ... + 1348810.

It is an arithmetic number, because the mean of its divisors is an integer number (21672411840).

Almost surely, 2^86686982677 is an apocalyptic number.

It is an amenable number.

86686982677 is a deficient number, since it is larger than the sum of its proper divisors (2664683).

86686982677 is a wasteful number, since it uses less digits than its factorization.

86686982677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664682.

The product of its digits is 585252864, while the sum is 73.

The spelling of 86686982677 in words is "eighty-six billion, six hundred eighty-six million, nine hundred eighty-two thousand, six hundred seventy-seven".