791214643 has 8 divisors (see below), whose sum is σ = 820250496. Its totient is φ = 762398400.

The previous prime is 791214631. The next prime is 791214649. The reversal of 791214643 is 346412197.

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

It is a cyclic number.

It is not a de Polignac number, because 791214643 - 2¹⁷ = 791083571 is a prime.

It is a super-2 number, since 2×791214643² = 1252041222595234898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791214649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47548 + ... + 61993.

It is an arithmetic number, because the mean of its divisors is an integer number (102531312).

Almost surely, 2^791214643 is an apocalyptic number.

791214643 is a deficient number, since it is larger than the sum of its proper divisors (29035853).

791214643 is a wasteful number, since it uses less digits than its factorization.

791214643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109805.

The product of its digits is 36288, while the sum is 37.

The square root of 791214643 is about 28128.5378752611. The cubic root of 791214643 is about 924.9070831430.

The spelling of 791214643 in words is "seven hundred ninety-one million, two hundred fourteen thousand, six hundred forty-three".