385772311 has 2 divisors, whose sum is σ = 385772312. Its totient is φ = 385772310.

The previous prime is 385772293. The next prime is 385772377. The reversal of 385772311 is 113277583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385772311 - 2¹¹ = 385770263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385772111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192886155 + 192886156.

It is an arithmetic number, because the mean of its divisors is an integer number (192886156).

Almost surely, 2^385772311 is an apocalyptic number.

385772311 is a deficient number, since it is larger than the sum of its proper divisors (1).

385772311 is an equidigital number, since it uses as much as digits as its factorization.

385772311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 385772311 is about 19641.0873171523. The cubic root of 385772311 is about 727.9647513173.

The spelling of 385772311 in words is "three hundred eighty-five million, seven hundred seventy-two thousand, three hundred eleven".