343671823779 has 4 divisors (see below), whose sum is σ = 458229098376. Its totient is φ = 229114549184.

The previous prime is 343671823757. The next prime is 343671823843. The reversal of 343671823779 is 977328176343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343671823779 - 2⁹ = 343671823267 is a prime.

It is a super-2 number, since 2×343671823779² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343671823739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57278637294 + ... + 57278637299.

It is an arithmetic number, because the mean of its divisors is an integer number (114557274594).

Almost surely, 2^343671823779 is an apocalyptic number.

343671823779 is a deficient number, since it is larger than the sum of its proper divisors (114557274597).

343671823779 is a wasteful number, since it uses less digits than its factorization.

343671823779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114557274596.

The product of its digits is 32006016, while the sum is 60.

The spelling of 343671823779 in words is "three hundred forty-three billion, six hundred seventy-one million, eight hundred twenty-three thousand, seven hundred seventy-nine".