378656850 has 192 divisors, whose sum is σ = 1119928320. Its totient is φ = 83462400.

The previous prime is 378656849. The next prime is 378656851. The reversal of 378656850 is 58656873.

It is an interprime number because it is at equal distance from previous prime (378656849) and next prime (378656851).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 378656850.

It is not an unprimeable number, because it can be changed into a prime (378656851) 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 95 ways as a sum of consecutive naturals, for example, 2724081 + ... + 2724219.

It is an arithmetic number, because the mean of its divisors is an integer number (5832960).

Almost surely, 2^378656850 is an apocalyptic number.

378656850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 378656850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559964160).

378656850 is an abundant number, since it is smaller than the sum of its proper divisors (741271470).

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

378656850 is a wasteful number, since it uses less digits than its factorization.

378656850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 378656850 is about 19459.1071223733. The cubic root of 378656850 is about 723.4612469367.

The spelling of 378656850 in words is "three hundred seventy-eight million, six hundred fifty-six thousand, eight hundred fifty".