77576366317456 has 10 divisors (see below), whose sum is σ = 150304209740102. Its totient is φ = 38788183158720.

The previous prime is 77576366317451. The next prime is 77576366317469. The reversal of 77576366317456 is 65471366367577.

It can be written as a sum of positive squares in only one way, i.e., 57421294803856 + 20155071513600 = 7577684^2 + 4489440^2 .

It is a super-2 number, since 2×77576366317456² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77576366317451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2424261447405 + ... + 2424261447436.

Almost surely, 2^{77576366317456} is an apocalyptic number.

It is an amenable number.

77576366317456 is a deficient number, since it is larger than the sum of its proper divisors (72727843422646).

77576366317456 is a wasteful number, since it uses less digits than its factorization.

77576366317456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848522894849 (or 4848522894843 counting only the distinct ones).

The product of its digits is 2800526400, while the sum is 73.

The spelling of 77576366317456 in words is "seventy-seven trillion, five hundred seventy-six billion, three hundred sixty-six million, three hundred seventeen thousand, four hundred fifty-six".