797634839 has 8 divisors (see below), whose sum is σ = 843969840. Its totient is φ = 751735296.

The previous prime is 797634833. The next prime is 797634857. The reversal of 797634839 is 938436797.

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-797634839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797634833) 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, 105092 + ... + 112425.

It is an arithmetic number, because the mean of its divisors is an integer number (105496230).

Almost surely, 2^797634839 is an apocalyptic number.

797634839 is a deficient number, since it is larger than the sum of its proper divisors (46335001).

797634839 is a wasteful number, since it uses less digits than its factorization.

797634839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217729.

The product of its digits is 6858432, while the sum is 56.

The square root of 797634839 is about 28242.4297644519. The cubic root of 797634839 is about 927.4020216029.

The spelling of 797634839 in words is "seven hundred ninety-seven million, six hundred thirty-four thousand, eight hundred thirty-nine".