863143797 has 8 divisors (see below), whose sum is σ = 1155137760. Its totient is φ = 573289520.

The previous prime is 863143783. The next prime is 863143933. The reversal of 863143797 is 797341368.

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 863143797 - 2¹⁶ = 863078261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863143727) 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, 533979 + ... + 535592.

It is an arithmetic number, because the mean of its divisors is an integer number (144392220).

Almost surely, 2^863143797 is an apocalyptic number.

It is an amenable number.

863143797 is a deficient number, since it is larger than the sum of its proper divisors (291993963).

863143797 is a wasteful number, since it uses less digits than its factorization.

863143797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069843.

The product of its digits is 762048, while the sum is 48.

The square root of 863143797 is about 29379.3089945969. The cubic root of 863143797 is about 952.1259120264.

The spelling of 863143797 in words is "eight hundred sixty-three million, one hundred forty-three thousand, seven hundred ninety-seven".