772008833 has 4 divisors (see below), whose sum is σ = 772356180. Its totient is φ = 771661488.

The previous prime is 772008827. The next prime is 772008851. The reversal of 772008833 is 338800277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 338800277 = 313 ⋅1082429.

It can be written as a sum of positive squares in 2 ways, for example, as 646837489 + 125171344 = 25433^2 + 11188^2 .

It is a cyclic number.

It is not a de Polignac number, because 772008833 - 2⁸ = 772008577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772008533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170318 + ... + 174791.

It is an arithmetic number, because the mean of its divisors is an integer number (193089045).

Almost surely, 2^772008833 is an apocalyptic number.

It is an amenable number.

772008833 is a deficient number, since it is larger than the sum of its proper divisors (347347).

772008833 is a wasteful number, since it uses less digits than its factorization.

772008833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347346.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 772008833 is about 27785.0469317581. The cubic root of 772008833 is about 917.3620213876.

The spelling of 772008833 in words is "seven hundred seventy-two million, eight thousand, eight hundred thirty-three".