385809786075 has 96 divisors (see below), whose sum is σ = 768536810496. Its totient is φ = 166962216960.

The previous prime is 385809786073. The next prime is 385809786097. The reversal of 385809786075 is 570687908583.

It is not a de Polignac number, because 385809786075 - 2¹ = 385809786073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385809785997 and 385809786015.

It is not an unprimeable number, because it can be changed into a prime (385809786071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1006579 + ... + 1335971.

It is an arithmetic number, because the mean of its divisors is an integer number (8005591776).

Almost surely, 2^385809786075 is an apocalyptic number.

385809786075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385809786075 is a deficient number, since it is larger than the sum of its proper divisors (382727024421).

385809786075 is a wasteful number, since it uses less digits than its factorization.

385809786075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329533 (or 329528 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 385809786075 in words is "three hundred eighty-five billion, eight hundred nine million, seven hundred eighty-six thousand, seventy-five".