385877743 has 4 divisors (see below), whose sum is σ = 394851688. Its totient is φ = 376903800.

The previous prime is 385877731. The next prime is 385877753. The reversal of 385877743 is 347778583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347778583 = 809 ⋅429887.

It is a cyclic number.

It is not a de Polignac number, because 385877743 - 2⁹ = 385877231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385877753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486908 + ... + 4486993.

It is an arithmetic number, because the mean of its divisors is an integer number (98712922).

Almost surely, 2^385877743 is an apocalyptic number.

385877743 is a deficient number, since it is larger than the sum of its proper divisors (8973945).

385877743 is an equidigital number, since it uses as much as digits as its factorization.

385877743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973944.

The product of its digits is 3951360, while the sum is 52.

The square root of 385877743 is about 19643.7710992569. The cubic root of 385877743 is about 728.0310631344.

The spelling of 385877743 in words is "three hundred eighty-five million, eight hundred seventy-seven thousand, seven hundred forty-three".