86660318 has 4 divisors (see below), whose sum is σ = 129990480. Its totient is φ = 43330158.

The previous prime is 86660303. The next prime is 86660333. The reversal of 86660318 is 81306668.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86660303) and next prime (86660333).

It is a super-2 number, since 2×86660318² = 15020021431722248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21665078 + ... + 21665081.

It is an arithmetic number, because the mean of its divisors is an integer number (32497620).

Almost surely, 2^86660318 is an apocalyptic number.

86660318 is a deficient number, since it is larger than the sum of its proper divisors (43330162).

86660318 is a wasteful number, since it uses less digits than its factorization.

86660318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43330161.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 86660318 is about 9309.1523781706. The cubic root of 86660318 is about 442.5273252833.

The spelling of 86660318 in words is "eighty-six million, six hundred sixty thousand, three hundred eighteen".