797198143 has 16 divisors (see below), whose sum is σ = 959825920. Its totient is φ = 646815456.

The previous prime is 797198141. The next prime is 797198287. The reversal of 797198143 is 341891797.

It is not a de Polignac number, because 797198143 - 2¹ = 797198141 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 (797198141) 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 15 ways as a sum of consecutive naturals, for example, 283621 + ... + 286417.

It is an arithmetic number, because the mean of its divisors is an integer number (59989120).

Almost surely, 2^797198143 is an apocalyptic number.

797198143 is a deficient number, since it is larger than the sum of its proper divisors (162627777).

797198143 is a wasteful number, since it uses less digits than its factorization.

797198143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966.

The product of its digits is 381024, while the sum is 49.

The square root of 797198143 is about 28234.6975014786. The cubic root of 797198143 is about 927.2327433544.

The spelling of 797198143 in words is "seven hundred ninety-seven million, one hundred ninety-eight thousand, one hundred forty-three".