378877105 has 16 divisors (see below), whose sum is σ = 475663104. Its totient is φ = 289409920.

The previous prime is 378877099. The next prime is 378877139. The reversal of 378877105 is 501778873.

It is a happy number.

It is not a de Polignac number, because 378877105 - 2³ = 378877097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10027 + ... + 29296.

It is an arithmetic number, because the mean of its divisors is an integer number (29728944).

Almost surely, 2^378877105 is an apocalyptic number.

It is an amenable number.

378877105 is a deficient number, since it is larger than the sum of its proper divisors (96785999).

378877105 is a wasteful number, since it uses less digits than its factorization.

378877105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39416.

The product of its (nonzero) digits is 329280, while the sum is 46.

The square root of 378877105 is about 19464.7657319578. The cubic root of 378877105 is about 723.6014927125.

The spelling of 378877105 in words is "three hundred seventy-eight million, eight hundred seventy-seven thousand, one hundred five".