772770195 has 12 divisors (see below), whose sum is σ = 1339468416. Its totient is φ = 412144080.

The previous prime is 772770149. The next prime is 772770199. The reversal of 772770195 is 591077277.

772770195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 772770195 - 2¹¹ = 772768147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 17172671 = 772770195 / (7 + 7 + 2 + 7 + 7 + 0 + 1 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 772770195.

It is not an unprimeable number, because it can be changed into a prime (772770199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8586291 + ... + 8586380.

It is an arithmetic number, because the mean of its divisors is an integer number (111622368).

Almost surely, 2^772770195 is an apocalyptic number.

772770195 is a deficient number, since it is larger than the sum of its proper divisors (566698221).

772770195 is a wasteful number, since it uses less digits than its factorization.

772770195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17172682 (or 17172679 counting only the distinct ones).

The product of its (nonzero) digits is 216090, while the sum is 45.

The square root of 772770195 is about 27798.7444860375. The cubic root of 772770195 is about 917.6634925087.

The spelling of 772770195 in words is "seven hundred seventy-two million, seven hundred seventy thousand, one hundred ninety-five".