378700319 has 4 divisors (see below), whose sum is σ = 382604544. Its totient is φ = 374796096.

The previous prime is 378700307. The next prime is 378700321. The reversal of 378700319 is 913007873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913007873 = 571 ⋅1598963.

It is a cyclic number.

It is not a de Polignac number, because 378700319 - 2⁴ = 378700303 is a prime.

It is a super-2 number, since 2×378700319² = 286827863221403522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378700339) 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 3 ways as a sum of consecutive naturals, for example, 1951967 + ... + 1952160.

It is an arithmetic number, because the mean of its divisors is an integer number (95651136).

Almost surely, 2^378700319 is an apocalyptic number.

378700319 is a deficient number, since it is larger than the sum of its proper divisors (3904225).

378700319 is an equidigital number, since it uses as much as digits as its factorization.

378700319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904224.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 378700319 is about 19460.2240223488. The cubic root of 378700319 is about 723.4889298142.

The spelling of 378700319 in words is "three hundred seventy-eight million, seven hundred thousand, three hundred nineteen".