6339820775 has 12 divisors (see below), whose sum is σ = 8053119984. Its totient is φ = 4948152000.

The previous prime is 6339820733. The next prime is 6339820787. The reversal of 6339820775 is 5770289336.

It is a happy number.

It is not a de Polignac number, because 6339820775 - 2¹⁴ = 6339804391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3091571 + ... + 3093620.

It is an arithmetic number, because the mean of its divisors is an integer number (671093332).

Almost surely, 2^6339820775 is an apocalyptic number.

6339820775 is a deficient number, since it is larger than the sum of its proper divisors (1713299209).

6339820775 is a wasteful number, since it uses less digits than its factorization.

6339820775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185242 (or 6185237 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 6339820775 is about 79622.9914974312. The cubic root of 6339820775 is about 1850.7978808167.

The spelling of 6339820775 in words is "six billion, three hundred thirty-nine million, eight hundred twenty thousand, seven hundred seventy-five".