772633807266 has 8 divisors (see below), whose sum is σ = 1545267614544. Its totient is φ = 257544602420.

The previous prime is 772633807249. The next prime is 772633807289. The reversal of 772633807266 is 662708336277.

It is a sphenic number, since it is the product of 3 distinct primes.

772633807266 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64386150600 + ... + 64386150611.

It is an arithmetic number, because the mean of its divisors is an integer number (193158451818).

Almost surely, 2^772633807266 is an apocalyptic number.

772633807266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772633807266 is a wasteful number, since it uses less digits than its factorization.

772633807266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128772301216.

The product of its (nonzero) digits is 21337344, while the sum is 57.

The spelling of 772633807266 in words is "seven hundred seventy-two billion, six hundred thirty-three million, eight hundred seven thousand, two hundred sixty-six".