378332299 has 2 divisors, whose sum is σ = 378332300. Its totient is φ = 378332298.

The previous prime is 378332261. The next prime is 378332327. The reversal of 378332299 is 992233873.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378332299 is a prime.

It is not a weakly prime, because it can be changed into another prime (378332219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189166149 + 189166150.

It is an arithmetic number, because the mean of its divisors is an integer number (189166150).

Almost surely, 2^378332299 is an apocalyptic number.

378332299 is a deficient number, since it is larger than the sum of its proper divisors (1).

378332299 is an equidigital number, since it uses as much as digits as its factorization.

378332299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 46.

The square root of 378332299 is about 19450.7660260464. The cubic root of 378332299 is about 723.2544922929.

The spelling of 378332299 in words is "three hundred seventy-eight million, three hundred thirty-two thousand, two hundred ninety-nine".