7712426627221 has 2 divisors, whose sum is σ = 7712426627222. Its totient is φ = 7712426627220.

The previous prime is 7712426627183. The next prime is 7712426627281. The reversal of 7712426627221 is 1227266242177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6998993004721 + 713433622500 = 2645561^2 + 844650^2 .

It is a cyclic number.

It is not a de Polignac number, because 7712426627221 - 2¹⁷ = 7712426496149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7712426627281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856213313610 + 3856213313611.

It is an arithmetic number, because the mean of its divisors is an integer number (3856213313611).

Almost surely, 2^{7712426627221} is an apocalyptic number.

It is an amenable number.

7712426627221 is a deficient number, since it is larger than the sum of its proper divisors (1).

7712426627221 is an equidigital number, since it uses as much as digits as its factorization.

7712426627221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 49.

The spelling of 7712426627221 in words is "seven trillion, seven hundred twelve billion, four hundred twenty-six million, six hundred twenty-seven thousand, two hundred twenty-one".