791776345 has 4 divisors (see below), whose sum is σ = 950131620. Its totient is φ = 633421072.

The previous prime is 791776333. The next prime is 791776351. The reversal of 791776345 is 543677197.

791776345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113486409 + 678289936 = 10653^2 + 26044^2 .

It is a cyclic number.

It is not a de Polignac number, because 791776345 - 2⁵ = 791776313 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79177630 + ... + 79177639.

It is an arithmetic number, because the mean of its divisors is an integer number (237532905).

Almost surely, 2^791776345 is an apocalyptic number.

It is an amenable number.

791776345 is a deficient number, since it is larger than the sum of its proper divisors (158355275).

791776345 is a wasteful number, since it uses less digits than its factorization.

791776345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158355274.

The product of its digits is 1111320, while the sum is 49.

The square root of 791776345 is about 28138.5206611862. The cubic root of 791776345 is about 925.1259025119.

The spelling of 791776345 in words is "seven hundred ninety-one million, seven hundred seventy-six thousand, three hundred forty-five".