791722647359 has 8 divisors (see below), whose sum is σ = 904840709760. Its totient is φ = 678608291736.

The previous prime is 791722647349. The next prime is 791722647371. The reversal of 791722647359 is 953746227197.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791722647359 is a prime.

It is a super-2 number, since 2×791722647359² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791722647349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452849 + ... + 1337354.

It is an arithmetic number, because the mean of its divisors is an integer number (113105088720).

Almost surely, 2^791722647359 is an apocalyptic number.

791722647359 is a deficient number, since it is larger than the sum of its proper divisors (113118062401).

791722647359 is a wasteful number, since it uses less digits than its factorization.

791722647359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853389.

The product of its digits is 40007520, while the sum is 62.

The spelling of 791722647359 in words is "seven hundred ninety-one billion, seven hundred twenty-two million, six hundred forty-seven thousand, three hundred fifty-nine".