86665010 has 8 divisors (see below), whose sum is σ = 155997036. Its totient is φ = 34666000.

The previous prime is 86665009. The next prime is 86665013. The reversal of 86665010 is 1056668.

It can be written as a sum of positive squares in 2 ways, for example, as 72369049 + 14295961 = 8507^2 + 3781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86665013) 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 in 3 ways as a sum of consecutive naturals, for example, 4333241 + ... + 4333260.

Almost surely, 2^86665010 is an apocalyptic number.

86665010 is a deficient number, since it is larger than the sum of its proper divisors (69332026).

86665010 is a wasteful number, since it uses less digits than its factorization.

86665010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8666508.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 86665010 is about 9309.4043848143. The cubic root of 86665010 is about 442.5353116404.

The spelling of 86665010 in words is "eighty-six million, six hundred sixty-five thousand, ten".