77845035076 has 12 divisors (see below), whose sum is σ = 138462071020. Its totient is φ = 38284443360.

The previous prime is 77845035067. The next prime is 77845035179. The reversal of 77845035076 is 67053054877.

It can be written as a sum of positive squares in 2 ways, for example, as 3626930176 + 74218104900 = 60224^2 + 272430^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159518271 + ... + 159518758.

Almost surely, 2^77845035076 is an apocalyptic number.

It is an amenable number.

77845035076 is a deficient number, since it is larger than the sum of its proper divisors (60617035944).

77845035076 is a wasteful number, since it uses less digits than its factorization.

77845035076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319037094 (or 319037092 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 77845035076 in words is "seventy-seven billion, eight hundred forty-five million, thirty-five thousand, seventy-six".