77746555076706 has 64 divisors (see below), whose sum is σ = 182936140450560. Its totient is φ = 24390666812160.

The previous prime is 77746555076647. The next prime is 77746555076731. The reversal of 77746555076706 is 60767055564777.

77746555076706 is a `hidden beast` number, since 7 + 7 + 7 + 4 + 6 + 5 + 550 + 7 + 67 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56536776 + ... + 57895596.

It is an arithmetic number, because the mean of its divisors is an integer number (2858377194540).

Almost surely, 2^{77746555076706} is an apocalyptic number.

77746555076706 is an abundant number, since it is smaller than the sum of its proper divisors (105189585373854).

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

77746555076706 is a wasteful number, since it uses less digits than its factorization.

77746555076706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421176 (or 1421170 counting only the distinct ones).

The product of its (nonzero) digits is 1815156000, while the sum is 72.

The spelling of 77746555076706 in words is "seventy-seven trillion, seven hundred forty-six billion, five hundred fifty-five million, seventy-six thousand, seven hundred six".