385705127 has 2 divisors, whose sum is σ = 385705128. Its totient is φ = 385705126.

The previous prime is 385705109. The next prime is 385705153. The reversal of 385705127 is 721507583.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385705127 - 2¹² = 385701031 is a prime.

It is a super-2 number, since 2×385705127² = 297536889988172258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385702127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192852563 + 192852564.

It is an arithmetic number, because the mean of its divisors is an integer number (192852564).

Almost surely, 2^385705127 is an apocalyptic number.

385705127 is a deficient number, since it is larger than the sum of its proper divisors (1).

385705127 is an equidigital number, since it uses as much as digits as its factorization.

385705127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 385705127 is about 19639.3769504025. The cubic root of 385705127 is about 727.9224894080.

The spelling of 385705127 in words is "three hundred eighty-five million, seven hundred five thousand, one hundred twenty-seven".