385733830777 has 4 divisors (see below), whose sum is σ = 386141153616. Its totient is φ = 385326507940.

The previous prime is 385733830751. The next prime is 385733830793. The reversal of 385733830777 is 777038337583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 777038337583 = 61 ⋅12738333403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385733830777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385733833777) 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, 203659999 + ... + 203661892.

It is an arithmetic number, because the mean of its divisors is an integer number (96535288404).

Almost surely, 2^385733830777 is an apocalyptic number.

It is an amenable number.

385733830777 is a deficient number, since it is larger than the sum of its proper divisors (407322839).

385733830777 is an equidigital number, since it uses as much as digits as its factorization.

385733830777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407322838.

The product of its (nonzero) digits is 62233920, while the sum is 61.

The spelling of 385733830777 in words is "three hundred eighty-five billion, seven hundred thirty-three million, eight hundred thirty thousand, seven hundred seventy-seven".