385985589583 has 16 divisors (see below), whose sum is σ = 434603329920. Its totient is φ = 339800076000.

The previous prime is 385985589571. The next prime is 385985589607.

It is a happy number.

385985589583 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 385985589583 - 2²⁵ = 385952035151 is a prime.

It is a super-2 number, since 2×385985589583² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385985589553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4394868 + ... + 4481833.

It is an arithmetic number, because the mean of its divisors is an integer number (27162708120).

Almost surely, 2^385985589583 is an apocalyptic number.

385985589583 is a deficient number, since it is larger than the sum of its proper divisors (48617740337).

385985589583 is a wasteful number, since it uses less digits than its factorization.

385985589583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876838.

The product of its digits is 1866240000, while the sum is 76.

The spelling of 385985589583 in words is "three hundred eighty-five billion, nine hundred eighty-five million, five hundred eighty-nine thousand, five hundred eighty-three".