378799231 has 2 divisors, whose sum is σ = 378799232. Its totient is φ = 378799230.

The previous prime is 378799177. The next prime is 378799237. The reversal of 378799231 is 132997873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378799231 - 2⁷ = 378799103 is a prime.

It is a super-2 number, since 2×378799231² = 286977714812382722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378799237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189399615 + 189399616.

It is an arithmetic number, because the mean of its divisors is an integer number (189399616).

Almost surely, 2^378799231 is an apocalyptic number.

378799231 is a deficient number, since it is larger than the sum of its proper divisors (1).

378799231 is an equidigital number, since it uses as much as digits as its factorization.

378799231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 378799231 is about 19462.7652454629. The cubic root of 378799231 is about 723.5519132200.

The spelling of 378799231 in words is "three hundred seventy-eight million, seven hundred ninety-nine thousand, two hundred thirty-one".