82378198 has 32 divisors (see below), whose sum is σ = 144092160. Its totient is φ = 34594560.

The previous prime is 82378189. The next prime is 82378199. The reversal of 82378198 is 89187328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82378199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233190 + ... + 233542.

It is an arithmetic number, because the mean of its divisors is an integer number (4502880).

Almost surely, 2^82378198 is an apocalyptic number.

82378198 is a deficient number, since it is larger than the sum of its proper divisors (61713962).

82378198 is a wasteful number, since it uses less digits than its factorization.

82378198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its digits is 193536, while the sum is 46.

The square root of 82378198 is about 9076.2436062503. The cubic root of 82378198 is about 435.1150406969.

The spelling of 82378198 in words is "eighty-two million, three hundred seventy-eight thousand, one hundred ninety-eight".