772371771313 has 2 divisors, whose sum is σ = 772371771314. Its totient is φ = 772371771312.

The previous prime is 772371771307. The next prime is 772371771323. The reversal of 772371771313 is 313177173277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506562439824 + 265809331489 = 711732^2 + 515567^2 .

It is a cyclic number.

It is not a de Polignac number, because 772371771313 - 2⁹ = 772371770801 is a prime.

It is not a weakly prime, because it can be changed into another prime (772371771323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386185885656 + 386185885657.

It is an arithmetic number, because the mean of its divisors is an integer number (386185885657).

Almost surely, 2^772371771313 is an apocalyptic number.

It is an amenable number.

772371771313 is a deficient number, since it is larger than the sum of its proper divisors (1).

772371771313 is an equidigital number, since it uses as much as digits as its factorization.

772371771313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907578, while the sum is 49.

The spelling of 772371771313 in words is "seven hundred seventy-two billion, three hundred seventy-one million, seven hundred seventy-one thousand, three hundred thirteen".