340005756777 has 4 divisors (see below), whose sum is σ = 453341009040. Its totient is φ = 226670504516.

The previous prime is 340005756763. The next prime is 340005756799. The reversal of 340005756777 is 777657500043.

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, and also an emirpimes, since its reverse is a distinct semiprime: 777657500043 = 3 ⋅259219166681.

It is a cyclic number.

It is not a de Polignac number, because 340005756777 - 2¹¹ = 340005754729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340005756577) 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, 56667626127 + ... + 56667626132.

It is an arithmetic number, because the mean of its divisors is an integer number (113335252260).

Almost surely, 2^340005756777 is an apocalyptic number.

It is an amenable number.

340005756777 is a deficient number, since it is larger than the sum of its proper divisors (113335252263).

340005756777 is a wasteful number, since it uses less digits than its factorization.

340005756777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113335252262.

The product of its (nonzero) digits is 4321800, while the sum is 51.

The spelling of 340005756777 in words is "three hundred forty billion, five million, seven hundred fifty-six thousand, seven hundred seventy-seven".