77422622216 has 16 divisors (see below), whose sum is σ = 146604719340. Its totient is φ = 38328030400.

The previous prime is 77422622203. The next prime is 77422622239. The reversal of 77422622216 is 61222622477.

It can be written as a sum of positive squares in 2 ways, for example, as 61775114116 + 15647508100 = 248546^2 + 125090^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 47909231 + ... + 47910846.

Almost surely, 2^77422622216 is an apocalyptic number.

It is an amenable number.

77422622216 is a deficient number, since it is larger than the sum of its proper divisors (69182097124).

77422622216 is a wasteful number, since it uses less digits than its factorization.

77422622216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95820184 (or 95820180 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The spelling of 77422622216 in words is "seventy-seven billion, four hundred twenty-two million, six hundred twenty-two thousand, two hundred sixteen".