342979783 has 2 divisors, whose sum is σ = 342979784. Its totient is φ = 342979782.

The previous prime is 342979669. The next prime is 342979799. The reversal of 342979783 is 387979243.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342979783 - 2²¹ = 340882631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342979783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342979183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171489891 + 171489892.

It is an arithmetic number, because the mean of its divisors is an integer number (171489892).

Almost surely, 2^342979783 is an apocalyptic number.

342979783 is a deficient number, since it is larger than the sum of its proper divisors (1).

342979783 is an equidigital number, since it uses as much as digits as its factorization.

342979783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The square root of 342979783 is about 18519.7133617127. The cubic root of 342979783 is about 699.9862466686.

The spelling of 342979783 in words is "three hundred forty-two million, nine hundred seventy-nine thousand, seven hundred eighty-three".