385383577 has 2 divisors, whose sum is σ = 385383578. Its totient is φ = 385383576.

The previous prime is 385383541. The next prime is 385383589. The reversal of 385383577 is 775383583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224880016 + 160503561 = 14996^2 + 12669^2 .

It is a cyclic number.

It is not a de Polignac number, because 385383577 - 2¹⁹ = 384859289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385383577.

It is not a weakly prime, because it can be changed into another prime (385386577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192691788 + 192691789.

It is an arithmetic number, because the mean of its divisors is an integer number (192691789).

Almost surely, 2^385383577 is an apocalyptic number.

It is an amenable number.

385383577 is a deficient number, since it is larger than the sum of its proper divisors (1).

385383577 is an equidigital number, since it uses as much as digits as its factorization.

385383577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 49.

The square root of 385383577 is about 19631.1888840182. The cubic root of 385383577 is about 727.7201512884.

The spelling of 385383577 in words is "three hundred eighty-five million, three hundred eighty-three thousand, five hundred seventy-seven".