6385775836 has 48 divisors (see below), whose sum is σ = 12360781440. Its totient is φ = 2862457920.

The previous prime is 6385775819. The next prime is 6385775881.

6385775836 is nontrivially palindromic in base 10.

Its product of digits (25401600) is a multiple of the sum of its prime divisors (6272).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075171 + ... + 1081093.

It is an arithmetic number, because the mean of its divisors is an integer number (257516280).

Almost surely, 2^6385775836 is an apocalyptic number.

It is an amenable number.

6385775836 is a deficient number, since it is larger than the sum of its proper divisors (5975005604).

6385775836 is a wasteful number, since it uses less digits than its factorization.

6385775836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274 (or 6272 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 58.

The square root of 6385775836 is about 79911.0495238299. The cubic root of 6385775836 is about 1855.2590398270.

The spelling of 6385775836 in words is "six billion, three hundred eighty-five million, seven hundred seventy-five thousand, eight hundred thirty-six".