863557404755368 has 32 divisors (see below), whose sum is σ = 1624741176643200. Its totient is φ = 430293172373568.

The previous prime is 863557404755333. The next prime is 863557404755369.

863557404755368 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 863557404755294 and 863557404755303.

It is not an unprimeable number, because it can be changed into a prime (863557404755369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80119453 + ... + 90256531.

It is an arithmetic number, because the mean of its divisors is an integer number (50773161770100).

Almost surely, 2^{863557404755368} is an apocalyptic number.

It is an amenable number.

863557404755368 is a deficient number, since it is larger than the sum of its proper divisors (761183771887832).

863557404755368 is a wasteful number, since it uses less digits than its factorization.

863557404755368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173721 (or 10173717 counting only the distinct ones).

The product of its (nonzero) digits is 10160640000, while the sum is 76.

The spelling of 863557404755368 in words is "eight hundred sixty-three trillion, five hundred fifty-seven billion, four hundred four million, seven hundred fifty-five thousand, three hundred sixty-eight".