385763117 has 2 divisors, whose sum is σ = 385763118. Its totient is φ = 385763116.

The previous prime is 385763089. The next prime is 385763123. The reversal of 385763117 is 711367583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255552196 + 130210921 = 15986^2 + 11411^2 .

It is an emirp because it is prime and its reverse (711367583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385763117 - 2¹⁰ = 385762093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385763617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192881558 + 192881559.

It is an arithmetic number, because the mean of its divisors is an integer number (192881559).

Almost surely, 2^385763117 is an apocalyptic number.

It is an amenable number.

385763117 is a deficient number, since it is larger than the sum of its proper divisors (1).

385763117 is an equidigital number, since it uses as much as digits as its factorization.

385763117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 385763117 is about 19640.8532655789. The cubic root of 385763117 is about 727.9589681469.

The spelling of 385763117 in words is "three hundred eighty-five million, seven hundred sixty-three thousand, one hundred seventeen".