34377747779 has 2 divisors, whose sum is σ = 34377747780. Its totient is φ = 34377747778.

The previous prime is 34377747751. The next prime is 34377747827. The reversal of 34377747779 is 97774777343.

It is a weak prime.

It is an emirp because it is prime and its reverse (97774777343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34377747779 - 2²⁴ = 34360970563 is a prime.

It is not a weakly prime, because it can be changed into another prime (34377747749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17188873889 + 17188873890.

It is an arithmetic number, because the mean of its divisors is an integer number (17188873890).

Almost surely, 2^34377747779 is an apocalyptic number.

34377747779 is a deficient number, since it is larger than the sum of its proper divisors (1).

34377747779 is an equidigital number, since it uses as much as digits as its factorization.

34377747779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152473104, while the sum is 65.

The spelling of 34377747779 in words is "thirty-four billion, three hundred seventy-seven million, seven hundred forty-seven thousand, seven hundred seventy-nine".