378837115 has 4 divisors (see below), whose sum is σ = 454604544. Its totient is φ = 303069688.

The previous prime is 378837073. The next prime is 378837157. The reversal of 378837115 is 511738873.

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

It is an interprime number because it is at equal distance from previous prime (378837073) and next prime (378837157).

It is a cyclic number.

It is not a de Polignac number, because 378837115 - 2¹⁵ = 378804347 is a prime.

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, 37883707 + ... + 37883716.

It is an arithmetic number, because the mean of its divisors is an integer number (113651136).

Almost surely, 2^378837115 is an apocalyptic number.

378837115 is a deficient number, since it is larger than the sum of its proper divisors (75767429).

378837115 is an equidigital number, since it uses as much as digits as its factorization.

378837115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75767428.

The product of its digits is 141120, while the sum is 43.

The square root of 378837115 is about 19463.7384641286. The cubic root of 378837115 is about 723.5760334088.

The spelling of 378837115 in words is "three hundred seventy-eight million, eight hundred thirty-seven thousand, one hundred fifteen".