385423930777 has 4 divisors (see below), whose sum is σ = 389026023696. Its totient is φ = 381821837860.

The previous prime is 385423930769. The next prime is 385423930883. The reversal of 385423930777 is 777039324583.

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.

It is a cyclic number.

It is not a de Polignac number, because 385423930777 - 2³ = 385423930769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385423933777) 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, 1801046299 + ... + 1801046512.

It is an arithmetic number, because the mean of its divisors is an integer number (97256505924).

Almost surely, 2^385423930777 is an apocalyptic number.

It is an amenable number.

385423930777 is a deficient number, since it is larger than the sum of its proper divisors (3602092919).

385423930777 is a wasteful number, since it uses less digits than its factorization.

385423930777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602092918.

The product of its (nonzero) digits is 26671680, while the sum is 58.

The spelling of 385423930777 in words is "three hundred eighty-five billion, four hundred twenty-three million, nine hundred thirty thousand, seven hundred seventy-seven".