378027776 has 72 divisors (see below), whose sum is σ = 913177440. Its totient is φ = 152469504.

The previous prime is 378027761. The next prime is 378027787. The reversal of 378027776 is 677720873.

378027776 = 1723² + 1724² + ... + 1841².

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 378027776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24260 + ... + 36668.

It is an arithmetic number, because the mean of its divisors is an integer number (12683020).

Almost surely, 2^378027776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378027776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456588720).

378027776 is an abundant number, since it is smaller than the sum of its proper divisors (535149664).

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

378027776 is a wasteful number, since it uses less digits than its factorization.

378027776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12435 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 47.

The square root of 378027776 is about 19442.9364037431. The cubic root of 378027776 is about 723.0603889012.

The spelling of 378027776 in words is "three hundred seventy-eight million, twenty-seven thousand, seven hundred seventy-six".