6740777765 has 8 divisors (see below), whose sum is σ = 8103103008. Its totient is φ = 5383175760.

The previous prime is 6740777759. The next prime is 6740777767. The reversal of 6740777765 is 5677770476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6740777765 - 2¹⁶ = 6740712229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6740777765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740777767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177667 + ... + 1183376.

It is an arithmetic number, because the mean of its divisors is an integer number (1012887876).

Almost surely, 2^6740777765 is an apocalyptic number.

It is an amenable number.

6740777765 is a deficient number, since it is larger than the sum of its proper divisors (1362325243).

6740777765 is a wasteful number, since it uses less digits than its factorization.

6740777765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361619.

The product of its (nonzero) digits is 12101040, while the sum is 56.

The square root of 6740777765 is about 82102.2397075744. The cubic root of 6740777765 is about 1889.0204945706.

The spelling of 6740777765 in words is "six billion, seven hundred forty million, seven hundred seventy-seven thousand, seven hundred sixty-five".