34397977 has 2 divisors, whose sum is σ = 34397978. Its totient is φ = 34397976.

The previous prime is 34397959. The next prime is 34397981. The reversal of 34397977 is 77979343.

34397977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34351321 + 46656 = 5861^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 34397977 - 2¹⁹ = 33873689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34397977.

It is not a weakly prime, because it can be changed into another prime (34397947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17198988 + 17198989.

It is an arithmetic number, because the mean of its divisors is an integer number (17198989).

Almost surely, 2^34397977 is an apocalyptic number.

It is an amenable number.

34397977 is a deficient number, since it is larger than the sum of its proper divisors (1).

34397977 is an equidigital number, since it uses as much as digits as its factorization.

34397977 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 34397977 is about 5864.9788575919. The cubic root of 34397977 is about 325.2202908858.

The spelling of 34397977 in words is "thirty-four million, three hundred ninety-seven thousand, nine hundred seventy-seven".