6778006741 has 4 divisors (see below), whose sum is σ = 7394189184. Its totient is φ = 6161824300.

The previous prime is 6778006681. The next prime is 6778006751. The reversal of 6778006741 is 1476008776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6778006741 - 2²⁷ = 6643789013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6778006691 and 6778006700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778006751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308091205 + ... + 308091226.

It is an arithmetic number, because the mean of its divisors is an integer number (1848547296).

Almost surely, 2^6778006741 is an apocalyptic number.

It is an amenable number.

6778006741 is a deficient number, since it is larger than the sum of its proper divisors (616182443).

6778006741 is a wasteful number, since it uses less digits than its factorization.

6778006741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616182442.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 6778006741 is about 82328.6507905966. The cubic root of 6778006741 is about 1892.4917668462.

The spelling of 6778006741 in words is "six billion, seven hundred seventy-eight million, six thousand, seven hundred forty-one".