863672118 has 16 divisors (see below), whose sum is σ = 1727640576. Its totient is φ = 287841320.

The previous prime is 863672107. The next prime is 863672119. The reversal of 863672118 is 811276368.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 863672118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863672119) 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, 48955 + ... + 64217.

It is an arithmetic number, because the mean of its divisors is an integer number (107977536).

Almost surely, 2^863672118 is an apocalyptic number.

863672118 is an abundant number, since it is smaller than the sum of its proper divisors (863968458).

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

863672118 is a wasteful number, since it uses less digits than its factorization.

863672118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24699.

The product of its digits is 96768, while the sum is 42.

The square root of 863672118 is about 29388.2989980706. The cubic root of 863672118 is about 952.3201344019.

The spelling of 863672118 in words is "eight hundred sixty-three million, six hundred seventy-two thousand, one hundred eighteen".