385577723775 has 72 divisors (see below), whose sum is σ = 684806013360. Its totient is φ = 191369277440.

The previous prime is 385577723753. The next prime is 385577723837. The reversal of 385577723775 is 577327775583.

It is not a de Polignac number, because 385577723775 - 2¹² = 385577719679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1829137 + ... + 2029013.

It is an arithmetic number, because the mean of its divisors is an integer number (9511194630).

Almost surely, 2^385577723775 is an apocalyptic number.

385577723775 is a deficient number, since it is larger than the sum of its proper divisors (299228289585).

385577723775 is a wasteful number, since it uses less digits than its factorization.

385577723775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200013 (or 199991 counting only the distinct ones).

The product of its digits is 302526000, while the sum is 66.

The spelling of 385577723775 in words is "three hundred eighty-five billion, five hundred seventy-seven million, seven hundred twenty-three thousand, seven hundred seventy-five".