86664667 has 8 divisors (see below), whose sum is σ = 90604800. Its totient is φ = 82738920.

The previous prime is 86664661. The next prime is 86664671. The reversal of 86664667 is 76646668.

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 86664667 - 2¹⁵ = 86631899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86664667.

It is not an unprimeable number, because it can be changed into a prime (86664661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9834 + ... + 16432.

It is an arithmetic number, because the mean of its divisors is an integer number (11325600).

Almost surely, 2^86664667 is an apocalyptic number.

86664667 is a deficient number, since it is larger than the sum of its proper divisors (3940133).

86664667 is a wasteful number, since it uses less digits than its factorization.

86664667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193.

The product of its digits is 1741824, while the sum is 49.

The square root of 86664667 is about 9309.3859625649. The cubic root of 86664667 is about 442.5347278223.

The spelling of 86664667 in words is "eighty-six million, six hundred sixty-four thousand, six hundred sixty-seven".