82486618 has 8 divisors (see below), whose sum is σ = 131008212. Its totient is φ = 38817216.

The previous prime is 82486609. The next prime is 82486633. The reversal of 82486618 is 81668428.

It can be written as a sum of positive squares in 2 ways, for example, as 75742209 + 6744409 = 8703^2 + 2597^2 .

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, 1213005 + ... + 1213072.

Almost surely, 2^82486618 is an apocalyptic number.

82486618 is a deficient number, since it is larger than the sum of its proper divisors (48521594).

82486618 is a wasteful number, since it uses less digits than its factorization.

82486618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426096.

The product of its digits is 147456, while the sum is 43.

The square root of 82486618 is about 9082.2143775623. The cubic root of 82486618 is about 435.3058455977.

The spelling of 82486618 in words is "eighty-two million, four hundred eighty-six thousand, six hundred eighteen".