76765562767773 has 56 divisors (see below), whose sum is σ = 125563665329856. Its totient is φ = 46522831723200.

The previous prime is 76765562767771. The next prime is 76765562767783. The reversal of 76765562767773 is 37776726556767.

It is not a de Polignac number, because 76765562767773 - 2¹ = 76765562767771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 76765562767692 and 76765562767701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76765562767771) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 231350761 + ... + 231682337.

Almost surely, 2^{76765562767773} is an apocalyptic number.

It is an amenable number.

76765562767773 is a deficient number, since it is larger than the sum of its proper divisors (48798102562083).

76765562767773 is a wasteful number, since it uses less digits than its factorization.

76765562767773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360477 (or 360462 counting only the distinct ones).

The product of its digits is 22870965600, while the sum is 81.

The spelling of 76765562767773 in words is "seventy-six trillion, seven hundred sixty-five billion, five hundred sixty-two million, seven hundred sixty-seven thousand, seven hundred seventy-three".