378910979 has 8 divisors (see below), whose sum is σ = 381073680. Its totient is φ = 376754400.

The previous prime is 378910967. The next prime is 378910981. The reversal of 378910979 is 979019873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378910979 - 2²⁰ = 377862403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378910979.

It is not an unprimeable number, because it can be changed into a prime (378910919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176744 + ... + 178874.

It is an arithmetic number, because the mean of its divisors is an integer number (47634210).

Almost surely, 2^378910979 is an apocalyptic number.

378910979 is a deficient number, since it is larger than the sum of its proper divisors (2162701).

378910979 is a wasteful number, since it uses less digits than its factorization.

378910979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 378910979 is about 19465.6358488491. The cubic root of 378910979 is about 723.6230569138.

The spelling of 378910979 in words is "three hundred seventy-eight million, nine hundred ten thousand, nine hundred seventy-nine".