380078269 has 2 divisors, whose sum is σ = 380078270. Its totient is φ = 380078268.

The previous prime is 380078219. The next prime is 380078273. The reversal of 380078269 is 962870083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301543225 + 78535044 = 17365^2 + 8862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380078269 is a prime.

It is a super-2 number, since 2×380078269² = 288918981132072722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380078219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190039134 + 190039135.

It is an arithmetic number, because the mean of its divisors is an integer number (190039135).

Almost surely, 2^380078269 is an apocalyptic number.

It is an amenable number.

380078269 is a deficient number, since it is larger than the sum of its proper divisors (1).

380078269 is an equidigital number, since it uses as much as digits as its factorization.

380078269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 380078269 is about 19495.5961437449. The cubic root of 380078269 is about 724.3653702822.

The spelling of 380078269 in words is "three hundred eighty million, seventy-eight thousand, two hundred sixty-nine".