378325715 has 4 divisors (see below), whose sum is σ = 453990864. Its totient is φ = 302660568.

The previous prime is 378325687. The next prime is 378325861. The reversal of 378325715 is 517523873.

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

It is a cyclic number.

It is not a de Polignac number, because 378325715 - 2²⁰ = 377277139 is a prime.

It is a super-2 number, since 2×378325715² = 286260693260522450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37832567 + ... + 37832576.

It is an arithmetic number, because the mean of its divisors is an integer number (113497716).

Almost surely, 2^378325715 is an apocalyptic number.

378325715 is a deficient number, since it is larger than the sum of its proper divisors (75665149).

378325715 is an equidigital number, since it uses as much as digits as its factorization.

378325715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75665148.

The product of its digits is 176400, while the sum is 41.

The square root of 378325715 is about 19450.5967774770. The cubic root of 378325715 is about 723.2502967438.

The spelling of 378325715 in words is "three hundred seventy-eight million, three hundred twenty-five thousand, seven hundred fifteen".