86678646383711 has 4 divisors (see below), whose sum is σ = 86680776277872. Its totient is φ = 86676516489552.

The previous prime is 86678646383701. The next prime is 86678646383717. The reversal of 86678646383711 is 11738364687668.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86678646383711 is a prime.

It is a super-2 number, since 2×86678646383711² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86678646383717) 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, 1064886035 + ... + 1064967428.

It is an arithmetic number, because the mean of its divisors is an integer number (21670194069468).

Almost surely, 2^{86678646383711} is an apocalyptic number.

86678646383711 is a deficient number, since it is larger than the sum of its proper divisors (2129894161).

86678646383711 is a wasteful number, since it uses less digits than its factorization.

86678646383711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129894160.

The product of its digits is 1170505728, while the sum is 74.

The spelling of 86678646383711 in words is "eighty-six trillion, six hundred seventy-eight billion, six hundred forty-six million, three hundred eighty-three thousand, seven hundred eleven".