86645663386 has 8 divisors (see below), whose sum is σ = 130991869440. Its totient is φ = 42981706908.

The previous prime is 86645663353. The next prime is 86645663417. The reversal of 86645663386 is 68336654668.

It is a happy number.

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, 170562076 + ... + 170562583.

It is an arithmetic number, because the mean of its divisors is an integer number (16373983680).

Almost surely, 2^86645663386 is an apocalyptic number.

86645663386 is a deficient number, since it is larger than the sum of its proper divisors (44346206054).

86645663386 is a wasteful number, since it uses less digits than its factorization.

86645663386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341124788.

The product of its digits is 89579520, while the sum is 61.

The spelling of 86645663386 in words is "eighty-six billion, six hundred forty-five million, six hundred sixty-three thousand, three hundred eighty-six".