340207720771 has 2 divisors, whose sum is σ = 340207720772. Its totient is φ = 340207720770.

The previous prime is 340207720757. The next prime is 340207720837. The reversal of 340207720771 is 177027702043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340207720771 - 2¹⁵ = 340207688003 is a prime.

It is not a weakly prime, because it can be changed into another prime (340207720711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170103860385 + 170103860386.

It is an arithmetic number, because the mean of its divisors is an integer number (170103860386).

Almost surely, 2^340207720771 is an apocalyptic number.

340207720771 is a deficient number, since it is larger than the sum of its proper divisors (1).

340207720771 is an equidigital number, since it uses as much as digits as its factorization.

340207720771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115248, while the sum is 40.

The spelling of 340207720771 in words is "three hundred forty billion, two hundred seven million, seven hundred twenty thousand, seven hundred seventy-one".