772635155233 has 2 divisors, whose sum is σ = 772635155234. Its totient is φ = 772635155232.

The previous prime is 772635155191. The next prime is 772635155317. The reversal of 772635155233 is 332551536277.

772635155233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715271073169 + 57364082064 = 845737^2 + 239508^2 .

It is an emirp because it is prime and its reverse (332551536277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 772635155233 - 2⁹ = 772635154721 is a prime.

It is not a weakly prime, because it can be changed into another prime (772635155833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386317577616 + 386317577617.

It is an arithmetic number, because the mean of its divisors is an integer number (386317577617).

Almost surely, 2^772635155233 is an apocalyptic number.

It is an amenable number.

772635155233 is a deficient number, since it is larger than the sum of its proper divisors (1).

772635155233 is an equidigital number, since it uses as much as digits as its factorization.

772635155233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3969000, while the sum is 49.

The spelling of 772635155233 in words is "seven hundred seventy-two billion, six hundred thirty-five million, one hundred fifty-five thousand, two hundred thirty-three".