863628117 has 16 divisors (see below), whose sum is σ = 1268387328. Its totient is φ = 518327280.

The previous prime is 863628097. The next prime is 863628119. The reversal of 863628117 is 711826368.

It is not a de Polignac number, because 863628117 - 2²³ = 855239509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863628119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123643 + ... + 130440.

It is an arithmetic number, because the mean of its divisors is an integer number (79274208).

Almost surely, 2^863628117 is an apocalyptic number.

It is an amenable number.

863628117 is a deficient number, since it is larger than the sum of its proper divisors (404759211).

863628117 is a wasteful number, since it uses less digits than its factorization.

863628117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254200.

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

The square root of 863628117 is about 29387.5503742656. The cubic root of 863628117 is about 952.3039616944.

The spelling of 863628117 in words is "eight hundred sixty-three million, six hundred twenty-eight thousand, one hundred seventeen".