378705107 has 16 divisors (see below), whose sum is σ = 438750432. Its totient is φ = 323051520.

The previous prime is 378705091. The next prime is 378705161. The reversal of 378705107 is 701507873.

It is not a de Polignac number, because 378705107 - 2⁴ = 378705091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378705307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63143 + ... + 68879.

It is an arithmetic number, because the mean of its divisors is an integer number (27421902).

Almost surely, 2^378705107 is an apocalyptic number.

378705107 is a deficient number, since it is larger than the sum of its proper divisors (60045325).

378705107 is a wasteful number, since it uses less digits than its factorization.

378705107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 378705107 is about 19460.3470421265. The cubic root of 378705107 is about 723.4919788834.

The spelling of 378705107 in words is "three hundred seventy-eight million, seven hundred five thousand, one hundred seven".