791801772068 has 6 divisors (see below), whose sum is σ = 1385653101126. Its totient is φ = 395900886032.

The previous prime is 791801772067. The next prime is 791801772079. The reversal of 791801772068 is 860277108197.

It can be written as a sum of positive squares in only one way, i.e., 663951188224 + 127850583844 = 814832^2 + 357562^2 .

It is not an unprimeable number, because it can be changed into a prime (791801772067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98975221505 + ... + 98975221512.

It is an arithmetic number, because the mean of its divisors is an integer number (230942183521).

Almost surely, 2^791801772068 is an apocalyptic number.

It is an amenable number.

791801772068 is a deficient number, since it is larger than the sum of its proper divisors (593851329058).

791801772068 is a wasteful number, since it uses less digits than its factorization.

791801772068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197950443021 (or 197950443019 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 56.

The spelling of 791801772068 in words is "seven hundred ninety-one billion, eight hundred one million, seven hundred seventy-two thousand, sixty-eight".