82486378 has 8 divisors (see below), whose sum is σ = 133247268. Its totient is φ = 38070624.

The previous prime is 82486367. The next prime is 82486379. The reversal of 82486378 is 87368428.

It can be written as a sum of positive squares in 2 ways, for example, as 61261929 + 21224449 = 7827^2 + 4607^2 .

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 (82486379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586251 + ... + 1586302.

Almost surely, 2^82486378 is an apocalyptic number.

82486378 is a deficient number, since it is larger than the sum of its proper divisors (50760890).

82486378 is a wasteful number, since it uses less digits than its factorization.

82486378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172568.

The product of its digits is 516096, while the sum is 46.

The square root of 82486378 is about 9082.2011649159. The cubic root of 82486378 is about 435.3054234141.

The spelling of 82486378 in words is "eighty-two million, four hundred eighty-six thousand, three hundred seventy-eight".