378878003 has 4 divisors (see below), whose sum is σ = 433003440. Its totient is φ = 324752568.

The previous prime is 378877987. The next prime is 378878009. The reversal of 378878003 is 300878873.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 378878003 - 2⁴ = 378877987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378878009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27062708 + ... + 27062721.

It is an arithmetic number, because the mean of its divisors is an integer number (108250860).

Almost surely, 2^378878003 is an apocalyptic number.

378878003 is a deficient number, since it is larger than the sum of its proper divisors (54125437).

378878003 is an equidigital number, since it uses as much as digits as its factorization.

378878003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54125436.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 378878003 is about 19464.7887992652. The cubic root of 378878003 is about 723.6020643962.

The spelling of 378878003 in words is "three hundred seventy-eight million, eight hundred seventy-eight thousand, three".