6738775783 has 2 divisors, whose sum is σ = 6738775784. Its totient is φ = 6738775782.

The previous prime is 6738775777. The next prime is 6738775787. The reversal of 6738775783 is 3875778376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6738775783 - 2²⁵ = 6705221351 is a prime.

It is a super-2 number, since 2×6738775783² = 90822198107094526178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6738775787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3369387891 + 3369387892.

It is an arithmetic number, because the mean of its divisors is an integer number (3369387892).

Almost surely, 2^6738775783 is an apocalyptic number.

6738775783 is a deficient number, since it is larger than the sum of its proper divisors (1).

6738775783 is an equidigital number, since it uses as much as digits as its factorization.

6738775783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41489280, while the sum is 61.

The square root of 6738775783 is about 82090.0467961860. The cubic root of 6738775783 is about 1888.8334657334.

The spelling of 6738775783 in words is "six billion, seven hundred thirty-eight million, seven hundred seventy-five thousand, seven hundred eighty-three".