342555779 has 8 divisors (see below), whose sum is σ = 351403920. Its totient is φ = 333731200.

The previous prime is 342555737. The next prime is 342555793. The reversal of 342555779 is 977555243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342555779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342555709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25712 + ... + 36690.

It is an arithmetic number, because the mean of its divisors is an integer number (43925490).

Almost surely, 2^342555779 is an apocalyptic number.

342555779 is a deficient number, since it is larger than the sum of its proper divisors (8848141).

342555779 is a wasteful number, since it uses less digits than its factorization.

342555779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781.

The product of its digits is 1323000, while the sum is 47.

The square root of 342555779 is about 18508.2624522131. The cubic root of 342555779 is about 699.6976782932.

The spelling of 342555779 in words is "three hundred forty-two million, five hundred fifty-five thousand, seven hundred seventy-nine".