385892859285 has 24 divisors (see below), whose sum is σ = 681501355704. Its totient is φ = 201926325120.

The previous prime is 385892859259. The next prime is 385892859301. The reversal of 385892859285 is 582958298583.

385892859285 is a `hidden beast` number, since 3 + 8 + 5 + 8 + 9 + 28 + 592 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 109697414436 + 276195444849 = 331206^2 + 525543^2 .

It is not a de Polignac number, because 385892859285 - 2⁶ = 385892859221 is a prime.

It is a super-2 number, since 2×385892859285² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80897586 + ... + 80902355.

It is an arithmetic number, because the mean of its divisors is an integer number (28395889821).

Almost surely, 2^385892859285 is an apocalyptic number.

It is an amenable number.

385892859285 is a deficient number, since it is larger than the sum of its proper divisors (295608496419).

385892859285 is a wasteful number, since it uses less digits than its factorization.

385892859285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161800005 (or 161800002 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 72.

The spelling of 385892859285 in words is "three hundred eighty-five billion, eight hundred ninety-two million, eight hundred fifty-nine thousand, two hundred eighty-five".