343777474679 has 2 divisors, whose sum is σ = 343777474680. Its totient is φ = 343777474678.

The previous prime is 343777474661. The next prime is 343777474753. The reversal of 343777474679 is 976474777343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343777474679 - 2⁸ = 343777474423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343777474639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171888737339 + 171888737340.

It is an arithmetic number, because the mean of its divisors is an integer number (171888737340).

Almost surely, 2^343777474679 is an apocalyptic number.

343777474679 is a deficient number, since it is larger than the sum of its proper divisors (1).

343777474679 is an equidigital number, since it uses as much as digits as its factorization.

343777474679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 522764928, while the sum is 68.

The spelling of 343777474679 in words is "three hundred forty-three billion, seven hundred seventy-seven million, four hundred seventy-four thousand, six hundred seventy-nine".