77546785322 has 8 divisors (see below), whose sum is σ = 116992549476. Its totient is φ = 38549268832.

The previous prime is 77546785321. The next prime is 77546785357. The reversal of 77546785322 is 22358764577.

It can be written as a sum of positive squares in 2 ways, for example, as 77312358601 + 234426721 = 278051^2 + 15311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (77546785321) 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 in 3 ways as a sum of consecutive naturals, for example, 112061483 + ... + 112062174.

Almost surely, 2^77546785322 is an apocalyptic number.

77546785322 is a deficient number, since it is larger than the sum of its proper divisors (39445764154).

77546785322 is a wasteful number, since it uses less digits than its factorization.

77546785322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224123832.

The product of its digits is 19756800, while the sum is 56.

The spelling of 77546785322 in words is "seventy-seven billion, five hundred forty-six million, seven hundred eighty-five thousand, three hundred twenty-two".