76775040262765 has 32 divisors (see below), whose sum is σ = 99345500765280. Its totient is φ = 56621983371264.

The previous prime is 76775040262757. The next prime is 76775040262769. The reversal of 76775040262765 is 56726204057767.

It can be written as a sum of positive squares in 16 ways, for example, as 36778851606249 + 39996188656516 = 6064557^2 + 6324254^2 .

It is a cyclic number.

It is not a de Polignac number, because 76775040262765 - 2³ = 76775040262757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76775040262697 and 76775040262706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76775040262769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 671188257 + ... + 671302633.

It is an arithmetic number, because the mean of its divisors is an integer number (3104546898915).

Almost surely, 2^{76775040262765} is an apocalyptic number.

It is an amenable number.

76775040262765 is a deficient number, since it is larger than the sum of its proper divisors (22570460502515).

76775040262765 is a wasteful number, since it uses less digits than its factorization.

76775040262765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127681.

The product of its (nonzero) digits is 207446400, while the sum is 64.

The spelling of 76775040262765 in words is "seventy-six trillion, seven hundred seventy-five billion, forty million, two hundred sixty-two thousand, seven hundred sixty-five".