86664664 has 8 divisors (see below), whose sum is σ = 162496260. Its totient is φ = 43332328.

The previous prime is 86664661. The next prime is 86664671. The reversal of 86664664 is 46646668.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5416534 + ... + 5416549.

Almost surely, 2^86664664 is an apocalyptic number.

It is an amenable number.

86664664 is a deficient number, since it is larger than the sum of its proper divisors (75831596).

86664664 is a wasteful number, since it uses less digits than its factorization.

86664664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833089 (or 10833085 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The square root of 86664664 is about 9309.3858014372. The cubic root of 86664664 is about 442.5347227160.

The spelling of 86664664 in words is "eighty-six million, six hundred sixty-four thousand, six hundred sixty-four".