34816345778 has 4 divisors (see below), whose sum is σ = 52224518670. Its totient is φ = 17408172888.

The previous prime is 34816345777. The next prime is 34816345789. The reversal of 34816345778 is 87754361843.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28868388649 + 5947957129 = 169907^2 + 77123^2 .

It is not an unprimeable number, because it can be changed into a prime (34816345771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8704086443 + ... + 8704086446.

Almost surely, 2^34816345778 is an apocalyptic number.

34816345778 is a deficient number, since it is larger than the sum of its proper divisors (17408172892).

34816345778 is a wasteful number, since it uses less digits than its factorization.

34816345778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17408172891.

The product of its digits is 13547520, while the sum is 56.

The spelling of 34816345778 in words is "thirty-four billion, eight hundred sixteen million, three hundred forty-five thousand, seven hundred seventy-eight".