77053686576 has 40 divisors (see below), whose sum is σ = 199065328944. Its totient is φ = 25683275520.

The previous prime is 77053686511. The next prime is 77053686581. The reversal of 77053686576 is 67568635077.

It is a super-2 number, since 2×77053686576² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1745610 + ... + 1789206.

Almost surely, 2^77053686576 is an apocalyptic number.

It is an amenable number.

77053686576 is an abundant number, since it is smaller than the sum of its proper divisors (122011642368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77053686576 is a wasteful number, since it uses less digits than its factorization.

77053686576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80429 (or 80423 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 60.

The spelling of 77053686576 in words is "seventy-seven billion, fifty-three million, six hundred eighty-six thousand, five hundred seventy-six".