86679691 has 8 divisors (see below), whose sum is σ = 104276480. Its totient is φ = 70386408.

The previous prime is 86679683. The next prime is 86679727. The reversal of 86679691 is 19697668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86679691 - 2³ = 86679683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86679611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325731 + ... + 325996.

It is an arithmetic number, because the mean of its divisors is an integer number (13034560).

Almost surely, 2^86679691 is an apocalyptic number.

86679691 is a deficient number, since it is larger than the sum of its proper divisors (17596789).

86679691 is a wasteful number, since it uses less digits than its factorization.

86679691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651753.

The product of its digits is 979776, while the sum is 52.

The square root of 86679691 is about 9310.1928551454. The cubic root of 86679691 is about 442.5602986338.

The spelling of 86679691 in words is "eighty-six million, six hundred seventy-nine thousand, six hundred ninety-one".