82000178 has 8 divisors (see below), whose sum is σ = 132461868. Its totient is φ = 37846224.

The previous prime is 82000159. The next prime is 82000189. The reversal of 82000178 is 87100028.

It can be written as a sum of positive squares in 2 ways, for example, as 81306289 + 693889 = 9017^2 + 833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 3153853 = 82000178 / (8 + 2 + 0 + 0 + 0 + 1 + 7 + 8).

It is an unprimeable number.

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, 1576901 + ... + 1576952.

Almost surely, 2^82000178 is an apocalyptic number.

82000178 is a deficient number, since it is larger than the sum of its proper divisors (50461690).

82000178 is a wasteful number, since it uses less digits than its factorization.

82000178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153868.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 82000178 is about 9055.3949665379. The cubic root of 82000178 is about 434.4484629334.

The spelling of 82000178 in words is "eighty-two million, one hundred seventy-eight", and thus it is an aban number.