385779017 has 8 divisors (see below), whose sum is σ = 416794560. Its totient is φ = 354954960.

The previous prime is 385779007. The next prime is 385779061. The reversal of 385779017 is 710977583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385779017 - 2¹⁰ = 385777993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385779007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43667 + ... + 51752.

It is an arithmetic number, because the mean of its divisors is an integer number (52099320).

Almost surely, 2^385779017 is an apocalyptic number.

It is an amenable number.

385779017 is a deficient number, since it is larger than the sum of its proper divisors (31015543).

385779017 is a wasteful number, since it uses less digits than its factorization.

385779017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95743.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 385779017 is about 19641.2580299735. The cubic root of 385779017 is about 727.9689694387.

The spelling of 385779017 in words is "three hundred eighty-five million, seven hundred seventy-nine thousand, seventeen".