7712655584021 has 2 divisors, whose sum is σ = 7712655584022. Its totient is φ = 7712655584020.

The previous prime is 7712655583981. The next prime is 7712655584087. The reversal of 7712655584021 is 1204855562177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7625943003121 + 86712580900 = 2761511^2 + 294470^2 .

It is an emirp because it is prime and its reverse (1204855562177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7712655584021 - 2⁴² = 3314609072917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7712655589021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856327792010 + 3856327792011.

It is an arithmetic number, because the mean of its divisors is an integer number (3856327792011).

Almost surely, 2^{7712655584021} is an apocalyptic number.

It is an amenable number.

7712655584021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7712655584021 is an equidigital number, since it uses as much as digits as its factorization.

7712655584021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704000, while the sum is 53.

The spelling of 7712655584021 in words is "seven trillion, seven hundred twelve billion, six hundred fifty-five million, five hundred eighty-four thousand, twenty-one".