797161863 has 8 divisors (see below), whose sum is σ = 1066834800. Its totient is φ = 529465088.

The previous prime is 797161843. The next prime is 797161867. The reversal of 797161863 is 368161797.

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 not a de Polignac number, because 797161863 - 2¹³ = 797153671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797161867) 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, 493098 + ... + 494711.

It is an arithmetic number, because the mean of its divisors is an integer number (133354350).

Almost surely, 2^797161863 is an apocalyptic number.

797161863 is a deficient number, since it is larger than the sum of its proper divisors (269672937).

797161863 is a wasteful number, since it uses less digits than its factorization.

797161863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988081.

The product of its digits is 381024, while the sum is 48.

The square root of 797161863 is about 28234.0550222599. The cubic root of 797161863 is about 927.2186772093.

The spelling of 797161863 in words is "seven hundred ninety-seven million, one hundred sixty-one thousand, eight hundred sixty-three".