6779255739 has 16 divisors (see below), whose sum is σ = 9366927360. Its totient is φ = 4356679680.

The previous prime is 6779255729. The next prime is 6779255753. The reversal of 6779255739 is 9375529776.

It is not a de Polignac number, because 6779255739 - 2⁷ = 6779255611 is a prime.

It is a super-2 number, since 2×6779255739² = 91916616749528872242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6779255719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117919 + ... + 165720.

It is an arithmetic number, because the mean of its divisors is an integer number (585432960).

Almost surely, 2^6779255739 is an apocalyptic number.

6779255739 is a deficient number, since it is larger than the sum of its proper divisors (2587671621).

6779255739 is a wasteful number, since it uses less digits than its factorization.

6779255739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283930.

The product of its digits is 25004700, while the sum is 60.

The square root of 6779255739 is about 82336.2358806862. The cubic root of 6779255739 is about 1892.6080042273.

The spelling of 6779255739 in words is "six billion, seven hundred seventy-nine million, two hundred fifty-five thousand, seven hundred thirty-nine".