378857302186 has 32 divisors (see below), whose sum is σ = 656505922752. Its totient is φ = 162055752960.

The previous prime is 378857302183. The next prime is 378857302189. The reversal of 378857302186 is 681203758873.

It is an interprime number because it is at equal distance from previous prime (378857302183) and next prime (378857302189).

It is a self number, because there is not a number n which added to its sum of digits gives 378857302186.

It is not an unprimeable number, because it can be changed into a prime (378857302181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2820525 + ... + 2951791.

It is an arithmetic number, because the mean of its divisors is an integer number (20515810086).

Almost surely, 2^378857302186 is an apocalyptic number.

378857302186 is a deficient number, since it is larger than the sum of its proper divisors (277648620566).

378857302186 is a wasteful number, since it uses less digits than its factorization.

378857302186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139014.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 378857302186 in words is "three hundred seventy-eight billion, eight hundred fifty-seven million, three hundred two thousand, one hundred eighty-six".