385710470877169 has 27 divisors (see below), whose sum is σ = 392088941609547. Its totient is φ = 379435391160000.

The previous prime is 385710470877107. The next prime is 385710470877187. The reversal of 385710470877169 is 961778074017583.

The square root of 385710470877169 is 19639513.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6796527210225 + 378913943666944 = 2607015^2 + 19465712^2 .

It is not a de Polignac number, because 385710470877169 - 2⁹ = 385710470876657 is a prime.

It is a super-2 number, since 2×385710470877169² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385710470877569) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 335109009744 + ... + 335109010894.

Almost surely, 2^{385710470877169} is an apocalyptic number.

385710470877169 is the 19639513-rd square number.

385710470877169 is the 9819757-th centered octagonal number.

It is an amenable number.

385710470877169 is a deficient number, since it is larger than the sum of its proper divisors (6378470732378).

385710470877169 is an frugal number, since it uses more digits than its factorization.

385710470877169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 497871360, while the sum is 73.

The spelling of 385710470877169 in words is "three hundred eighty-five trillion, seven hundred ten billion, four hundred seventy million, eight hundred seventy-seven thousand, one hundred sixty-nine".