6740844877 has 4 divisors (see below), whose sum is σ = 7259371420. Its totient is φ = 6222318336.

The previous prime is 6740844863. The next prime is 6740844919. The reversal of 6740844877 is 7784480476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1042708681 + 5698136196 = 32291^2 + 75486^2 .

It is not a de Polignac number, because 6740844877 - 2¹⁹ = 6740320589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740844827) 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, 259263252 + ... + 259263277.

It is an arithmetic number, because the mean of its divisors is an integer number (1814842855).

Almost surely, 2^6740844877 is an apocalyptic number.

It is an amenable number.

6740844877 is a deficient number, since it is larger than the sum of its proper divisors (518526543).

6740844877 is a wasteful number, since it uses less digits than its factorization.

6740844877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518526542.

The product of its (nonzero) digits is 8429568, while the sum is 55.

The square root of 6740844877 is about 82102.6484164792. The cubic root of 6740844877 is about 1889.0267636554.

The spelling of 6740844877 in words is "six billion, seven hundred forty million, eight hundred forty-four thousand, eight hundred seventy-seven".