378151199 has 4 divisors (see below), whose sum is σ = 378830664. Its totient is φ = 377471736.

The previous prime is 378151187. The next prime is 378151219. The reversal of 378151199 is 991151873.

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 378151199 - 2¹⁶ = 378085663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378151399) 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, 338897 + ... + 340010.

It is an arithmetic number, because the mean of its divisors is an integer number (94707666).

Almost surely, 2^378151199 is an apocalyptic number.

378151199 is a deficient number, since it is larger than the sum of its proper divisors (679465).

378151199 is an equidigital number, since it uses as much as digits as its factorization.

378151199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679464.

The product of its digits is 68040, while the sum is 44.

The square root of 378151199 is about 19446.1101251638. The cubic root of 378151199 is about 723.1390714545.

The spelling of 378151199 in words is "three hundred seventy-eight million, one hundred fifty-one thousand, one hundred ninety-nine".