86664434 has 32 divisors (see below), whose sum is σ = 143311680. Its totient is φ = 39154752.

The previous prime is 86664427. The next prime is 86664443. The reversal of 86664434 is 43446668.

It is a super-3 number, since 3×86664434³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 86664391 and 86664400.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 73937 + ... + 75099.

It is an arithmetic number, because the mean of its divisors is an integer number (4478490).

Almost surely, 2^86664434 is an apocalyptic number.

86664434 is a deficient number, since it is larger than the sum of its proper divisors (56647246).

86664434 is a wasteful number, since it uses less digits than its factorization.

86664434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its digits is 331776, while the sum is 41.

The square root of 86664434 is about 9309.3734483047. The cubic root of 86664434 is about 442.5343312336.

The spelling of 86664434 in words is "eighty-six million, six hundred sixty-four thousand, four hundred thirty-four".