863905118016 has 28 divisors (see below), whose sum is σ = 2285748958592. Its totient is φ = 287968372608.

The previous prime is 863905118003. The next prime is 863905118029. The reversal of 863905118016 is 610811509368.

It is an interprime number because it is at equal distance from previous prime (863905118003) and next prime (863905118029).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2249752720 + ... + 2249753103.

Almost surely, 2^863905118016 is an apocalyptic number.

It is an amenable number.

863905118016 is an abundant number, since it is smaller than the sum of its proper divisors (1421843840576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863905118016 is a wasteful number, since it uses less digits than its factorization.

863905118016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499505838 (or 4499505828 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 863905118016 in words is "eight hundred sixty-three billion, nine hundred five million, one hundred eighteen thousand, sixteen".