863217035542 has 16 divisors (see below), whose sum is σ = 1302900948720. Its totient is φ = 428917254912.

The previous prime is 863217035503. The next prime is 863217035573. The reversal of 863217035542 is 245530712368.

It is a junction number, because it is equal to n+sod(n) for n = 863217035492 and 863217035501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225538 + ... + 3482890.

It is an arithmetic number, because the mean of its divisors is an integer number (81431309295).

Almost surely, 2^863217035542 is an apocalyptic number.

863217035542 is a deficient number, since it is larger than the sum of its proper divisors (439683913178).

863217035542 is a wasteful number, since it uses less digits than its factorization.

863217035542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267807.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 863217035542 in words is "eight hundred sixty-three billion, two hundred seventeen million, thirty-five thousand, five hundred forty-two".