235780379 has 2 divisors, whose sum is σ = 235780380. Its totient is φ = 235780378.

The previous prime is 235780357. The next prime is 235780397. The reversal of 235780379 is 973087532.

Together with next prime (235780397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235780379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (235780339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117890189 + 117890190.

It is an arithmetic number, because the mean of its divisors is an integer number (117890190).

Almost surely, 2^235780379 is an apocalyptic number.

235780379 is a deficient number, since it is larger than the sum of its proper divisors (1).

235780379 is an equidigital number, since it uses as much as digits as its factorization.

235780379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 235780379 is about 15355.1417772680. The cubic root of 235780379 is about 617.7829058761.

The spelling of 235780379 in words is "two hundred thirty-five million, seven hundred eighty thousand, three hundred seventy-nine".