787059641321 has 2 divisors, whose sum is σ = 787059641322. Its totient is φ = 787059641320.

The previous prime is 787059641309. The next prime is 787059641341. The reversal of 787059641321 is 123146950787.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524494608400 + 262565032921 = 724220^2 + 512411^2 .

It is a cyclic number.

It is not a de Polignac number, because 787059641321 - 2⁶ = 787059641257 is a prime.

It is not a weakly prime, because it can be changed into another prime (787059641341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393529820660 + 393529820661.

It is an arithmetic number, because the mean of its divisors is an integer number (393529820661).

It is a 1-persistent number, because it is pandigital, but 2⋅787059641321 = 1574119282642 is not.

Almost surely, 2^787059641321 is an apocalyptic number.

It is an amenable number.

787059641321 is a deficient number, since it is larger than the sum of its proper divisors (1).

787059641321 is an equidigital number, since it uses as much as digits as its factorization.

787059641321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 787059641321 in words is "seven hundred eighty-seven billion, fifty-nine million, six hundred forty-one thousand, three hundred twenty-one".