378081105 has 16 divisors (see below), whose sum is σ = 640514304. Its totient is φ = 189781760.

The previous prime is 378081083. The next prime is 378081169. The reversal of 378081105 is 501180873.

It is not a de Polignac number, because 378081105 - 2⁵ = 378081073 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 741081 + ... + 741590.

It is an arithmetic number, because the mean of its divisors is an integer number (40032144).

Almost surely, 2^378081105 is an apocalyptic number.

It is an amenable number.

378081105 is a deficient number, since it is larger than the sum of its proper divisors (262433199).

378081105 is a wasteful number, since it uses less digits than its factorization.

378081105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482696.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 378081105 is about 19444.3077788848. The cubic root of 378081105 is about 723.0943884085.

It can be divided in two parts, 378081 and 105, that multiplied together give a triangular number (39698505 = T₈₉₁₀).

The spelling of 378081105 in words is "three hundred seventy-eight million, eighty-one thousand, one hundred five".