86706529667 has 4 divisors (see below), whose sum is σ = 86707866216. Its totient is φ = 86705193120.

The previous prime is 86706529643. The next prime is 86706529709. The reversal of 86706529667 is 76692560768.

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

It is a cyclic number.

It is not a de Polignac number, because 86706529667 - 2¹⁸ = 86706267523 is a prime.

It is a super-2 number, since 2×86706529667² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86706529867) 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, 565718 + ... + 702459.

It is an arithmetic number, because the mean of its divisors is an integer number (21676966554).

Almost surely, 2^86706529667 is an apocalyptic number.

86706529667 is a deficient number, since it is larger than the sum of its proper divisors (1336549).

86706529667 is a wasteful number, since it uses less digits than its factorization.

86706529667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336548.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 86706529667 in words is "eighty-six billion, seven hundred six million, five hundred twenty-nine thousand, six hundred sixty-seven".