813882117 has 8 divisors (see below), whose sum is σ = 1132357824. Its totient is φ = 518997248.

The previous prime is 813882101. The next prime is 813882143. The reversal of 813882117 is 711288318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 813882117 - 2⁴ = 813882101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813802117) 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, 5897628 + ... + 5897765.

It is an arithmetic number, because the mean of its divisors is an integer number (141544728).

Almost surely, 2^813882117 is an apocalyptic number.

It is an amenable number.

813882117 is a deficient number, since it is larger than the sum of its proper divisors (318475707).

813882117 is a wasteful number, since it uses less digits than its factorization.

813882117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11795419.

The product of its digits is 21504, while the sum is 39.

The square root of 813882117 is about 28528.6192620673. The cubic root of 813882117 is about 933.6565937938.

The spelling of 813882117 in words is "eight hundred thirteen million, eight hundred eighty-two thousand, one hundred seventeen".