343695959977 has 2 divisors, whose sum is σ = 343695959978. Its totient is φ = 343695959976.

The previous prime is 343695959947. The next prime is 343695960059. The reversal of 343695959977 is 779959596343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199705309456 + 143990650521 = 446884^2 + 379461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343695959977 is a prime.

It is not a weakly prime, because it can be changed into another prime (343695959917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171847979988 + 171847979989.

It is an arithmetic number, because the mean of its divisors is an integer number (171847979989).

Almost surely, 2^343695959977 is an apocalyptic number.

It is an amenable number.

343695959977 is a deficient number, since it is larger than the sum of its proper divisors (1).

343695959977 is an equidigital number, since it uses as much as digits as its factorization.

343695959977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1736040600, while the sum is 76.

The spelling of 343695959977 in words is "three hundred forty-three billion, six hundred ninety-five million, nine hundred fifty-nine thousand, nine hundred seventy-seven".