385815622177 has 8 divisors (see below), whose sum is σ = 391062817376. Its totient is φ = 380594339712.

The previous prime is 385815622169. The next prime is 385815622189. The reversal of 385815622177 is 771226518583.

It is a happy number.

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 385815622177 - 2³ = 385815622169 is a prime.

It is a super-2 number, since 2×385815622177² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385815623177) 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, 6448203 + ... + 6507760.

It is an arithmetic number, because the mean of its divisors is an integer number (48882852172).

Almost surely, 2^385815622177 is an apocalyptic number.

It is an amenable number.

385815622177 is a deficient number, since it is larger than the sum of its proper divisors (5247195199).

385815622177 is a wasteful number, since it uses less digits than its factorization.

385815622177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12956367.

The product of its digits is 5644800, while the sum is 55.

The spelling of 385815622177 in words is "three hundred eighty-five billion, eight hundred fifteen million, six hundred twenty-two thousand, one hundred seventy-seven".