77727366280756 has 12 divisors (see below), whose sum is σ = 136057599590080. Its totient is φ = 38853766397880.

The previous prime is 77727366280727. The next prime is 77727366280787. The reversal of 77727366280756 is 65708266372777.

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479167990 + ... + 2479199341.

Almost surely, 2^{77727366280756} is an apocalyptic number.

It is an amenable number.

77727366280756 is a deficient number, since it is larger than the sum of its proper divisors (58330233309324).

77727366280756 is a wasteful number, since it uses less digits than its factorization.

77727366280756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958371254 (or 4958371252 counting only the distinct ones).

The product of its (nonzero) digits is 1742549760, while the sum is 73.

The spelling of 77727366280756 in words is "seventy-seven trillion, seven hundred twenty-seven billion, three hundred sixty-six million, two hundred eighty thousand, seven hundred fifty-six".