86662418 has 8 divisors (see below), whose sum is σ = 130045500. Its totient is φ = 43313920.

The previous prime is 86662417. The next prime is 86662427. The reversal of 86662418 is 81426668.

It can be written as a sum of positive squares in 2 ways, for example, as 70845889 + 15816529 = 8417^2 + 3977^2 .

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 (86662417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 13206.

Almost surely, 2^86662418 is an apocalyptic number.

86662418 is a deficient number, since it is larger than the sum of its proper divisors (43383082).

86662418 is a wasteful number, since it uses less digits than its factorization.

86662418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292.

The product of its digits is 110592, while the sum is 41.

The square root of 86662418 is about 9309.2651697113. The cubic root of 86662418 is about 442.5308997755.

The spelling of 86662418 in words is "eighty-six million, six hundred sixty-two thousand, four hundred eighteen".