76600555754561 has 2 divisors, whose sum is σ = 76600555754562. Its totient is φ = 76600555754560.

The previous prime is 76600555754509. The next prime is 76600555754641. The reversal of 76600555754561 is 16545755500667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55223387387536 + 21377168367025 = 7431244^2 + 4623545^2 .

It is a cyclic number.

It is not a de Polignac number, because 76600555754561 - 2¹⁰ = 76600555753537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76600555754494 and 76600555754503.

It is not a weakly prime, because it can be changed into another prime (76600555756561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38300277877280 + 38300277877281.

It is an arithmetic number, because the mean of its divisors is an integer number (38300277877281).

Almost surely, 2^{76600555754561} is an apocalyptic number.

It is an amenable number.

76600555754561 is a deficient number, since it is larger than the sum of its proper divisors (1).

76600555754561 is an equidigital number, since it uses as much as digits as its factorization.

76600555754561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300000, while the sum is 62.

The spelling of 76600555754561 in words is "seventy-six trillion, six hundred billion, five hundred fifty-five million, seven hundred fifty-four thousand, five hundred sixty-one".