86053775666 has 8 divisors (see below), whose sum is σ = 129089528604. Its totient is φ = 43023932800.

The previous prime is 86053775557. The next prime is 86053775683. The reversal of 86053775666 is 66657735068.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51558514225 + 34495261441 = 227065^2 + 185729^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440935 + ... + 1499466.

Almost surely, 2^86053775666 is an apocalyptic number.

86053775666 is a deficient number, since it is larger than the sum of its proper divisors (43035752938).

86053775666 is a wasteful number, since it uses less digits than its factorization.

86053775666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955036.

The product of its (nonzero) digits is 38102400, while the sum is 59.

The spelling of 86053775666 in words is "eighty-six billion, fifty-three million, seven hundred seventy-five thousand, six hundred sixty-six".