34779397 has 2 divisors, whose sum is σ = 34779398. Its totient is φ = 34779396.

The previous prime is 34779373. The next prime is 34779413. The reversal of 34779397 is 79397743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27815076 + 6964321 = 5274^2 + 2639^2 .

It is an emirp because it is prime and its reverse (79397743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34779397 - 2¹¹ = 34777349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34779397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34779307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17389698 + 17389699.

It is an arithmetic number, because the mean of its divisors is an integer number (17389699).

Almost surely, 2^34779397 is an apocalyptic number.

It is an amenable number.

34779397 is a deficient number, since it is larger than the sum of its proper divisors (1).

34779397 is an equidigital number, since it uses as much as digits as its factorization.

34779397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 49.

The square root of 34779397 is about 5897.4059551637. The cubic root of 34779397 is about 326.4179372521.

The spelling of 34779397 in words is "thirty-four million, seven hundred seventy-nine thousand, three hundred ninety-seven".