385568851 has 2 divisors, whose sum is σ = 385568852. Its totient is φ = 385568850.

The previous prime is 385568779. The next prime is 385568863. The reversal of 385568851 is 158865583.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385568851 - 2¹⁷ = 385437779 is a prime.

It is a super-2 number, since 2×385568851² = 297326677722920402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385568795 and 385568804.

It is not a weakly prime, because it can be changed into another prime (385563851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192784425 + 192784426.

It is an arithmetic number, because the mean of its divisors is an integer number (192784426).

Almost surely, 2^385568851 is an apocalyptic number.

385568851 is a deficient number, since it is larger than the sum of its proper divisors (1).

385568851 is an equidigital number, since it uses as much as digits as its factorization.

385568851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152000, while the sum is 49.

The square root of 385568851 is about 19635.9071855619. The cubic root of 385568851 is about 727.8367502917.

The spelling of 385568851 in words is "three hundred eighty-five million, five hundred sixty-eight thousand, eight hundred fifty-one".