813700117 has 8 divisors (see below), whose sum is σ = 825552000. Its totient is φ = 801919104.

The previous prime is 813700091. The next prime is 813700163. The reversal of 813700117 is 711007318.

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 813700117 - 2⁷ = 813699989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813701117) 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, 5634 + ... + 40732.

It is an arithmetic number, because the mean of its divisors is an integer number (103194000).

Almost surely, 2^813700117 is an apocalyptic number.

It is an amenable number.

813700117 is a deficient number, since it is larger than the sum of its proper divisors (11851883).

813700117 is a wasteful number, since it uses less digits than its factorization.

813700117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35435.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 813700117 is about 28525.4293043944. The cubic root of 813700117 is about 933.5869939651.

The spelling of 813700117 in words is "eight hundred thirteen million, seven hundred thousand, one hundred seventeen".