385275827 has 4 divisors (see below), whose sum is σ = 385548000. Its totient is φ = 385003656.

The previous prime is 385275799. The next prime is 385275833. The reversal of 385275827 is 728572583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728572583 = 41 ⋅17770063.

It is a cyclic number.

It is not a de Polignac number, because 385275827 - 2⁶ = 385275763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385275427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133952 + ... + 136797.

It is an arithmetic number, because the mean of its divisors is an integer number (96387000).

Almost surely, 2^385275827 is an apocalyptic number.

385275827 is a deficient number, since it is larger than the sum of its proper divisors (272173).

385275827 is a wasteful number, since it uses less digits than its factorization.

385275827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272172.

The product of its digits is 940800, while the sum is 47.

The square root of 385275827 is about 19628.4443346894. Note that the first 3 decimals coincide. The cubic root of 385275827 is about 727.6523234930.

The spelling of 385275827 in words is "three hundred eighty-five million, two hundred seventy-five thousand, eight hundred twenty-seven".