82378192 has 40 divisors (see below), whose sum is σ = 182003976. Its totient is φ = 35782656.

The previous prime is 82378189. The next prime is 82378199. The reversal of 82378192 is 29187328.

It can be written as a sum of positive squares in 4 ways, for example, as 1089936 + 81288256 = 1044^2 + 9016^2 .

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8113 + ... + 15184.

Almost surely, 2^82378192 is an apocalyptic number.

It is an amenable number.

82378192 is an abundant number, since it is smaller than the sum of its proper divisors (99625784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82378192 is a wasteful number, since it uses less digits than its factorization.

82378192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23335 (or 23329 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 82378192 is about 9076.2432757171. The cubic root of 82378192 is about 435.1150301331.

The spelling of 82378192 in words is "eighty-two million, three hundred seventy-eight thousand, one hundred ninety-two".