378020279 has 16 divisors (see below), whose sum is σ = 492625728. Its totient is φ = 281498112.

The previous prime is 378020273. The next prime is 378020297. The reversal of 378020279 is 972020873.

It is not a de Polignac number, because 378020279 - 2⁸ = 378020023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378020273) 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 15 ways as a sum of consecutive naturals, for example, 120632 + ... + 123725.

It is an arithmetic number, because the mean of its divisors is an integer number (30789108).

Almost surely, 2^378020279 is an apocalyptic number.

378020279 is a deficient number, since it is larger than the sum of its proper divisors (114605449).

378020279 is a wasteful number, since it uses less digits than its factorization.

378020279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244394.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 378020279 is about 19442.7436078348. The cubic root of 378020279 is about 723.0556089883.

The spelling of 378020279 in words is "three hundred seventy-eight million, twenty thousand, two hundred seventy-nine".