772213230197 has 2 divisors, whose sum is σ = 772213230198. Its totient is φ = 772213230196.

The previous prime is 772213230179. The next prime is 772213230223. The reversal of 772213230197 is 791032312277.

Together with previous prime (772213230179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507892827556 + 264320402641 = 712666^2 + 514121^2 .

It is an emirp because it is prime and its reverse (791032312277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 772213230197 - 2¹⁰ = 772213229173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772213230137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386106615098 + 386106615099.

It is an arithmetic number, because the mean of its divisors is an integer number (386106615099).

Almost surely, 2^772213230197 is an apocalyptic number.

It is an amenable number.

772213230197 is a deficient number, since it is larger than the sum of its proper divisors (1).

772213230197 is an equidigital number, since it uses as much as digits as its factorization.

772213230197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 772213230197 in words is "seven hundred seventy-two billion, two hundred thirteen million, two hundred thirty thousand, one hundred ninety-seven".