385777339 has 2 divisors, whose sum is σ = 385777340. Its totient is φ = 385777338.

The previous prime is 385777319. The next prime is 385777369. The reversal of 385777339 is 933777583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385777339 - 2¹³ = 385769147 is a prime.

It is not a weakly prime, because it can be changed into another prime (385777319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192888669 + 192888670.

It is an arithmetic number, because the mean of its divisors is an integer number (192888670).

Almost surely, 2^385777339 is an apocalyptic number.

385777339 is a deficient number, since it is larger than the sum of its proper divisors (1).

385777339 is an equidigital number, since it uses as much as digits as its factorization.

385777339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3333960, while the sum is 52.

The square root of 385777339 is about 19641.2153137223. The cubic root of 385777339 is about 727.9679139695.

The spelling of 385777339 in words is "three hundred eighty-five million, seven hundred seventy-seven thousand, three hundred thirty-nine".