It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 76665253281811.
Almost surely, 276665253281811 is an apocalyptic number.
76665253281811 is a wasteful number, since it uses less digits than its factorization.
76665253281811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80726381.
The spelling of 76665253281811 in words is "seventy-six trillion, six hundred sixty-five billion, two hundred fifty-three million, two hundred eighty-one thousand, eight hundred eleven".