813436117 has 16 divisors (see below), whose sum is σ = 898004800. Its totient is φ = 732470256.

The previous prime is 813436093. The next prime is 813436163. The reversal of 813436117 is 711634318.

It is not a de Polignac number, because 813436117 - 2⁷ = 813435989 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 (813436177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033198 + ... + 1033984.

It is an arithmetic number, because the mean of its divisors is an integer number (56125300).

Almost surely, 2^813436117 is an apocalyptic number.

It is an amenable number.

813436117 is a deficient number, since it is larger than the sum of its proper divisors (84568683).

813436117 is an frugal number, since it uses more digits than its factorization.

813436117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 843 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 813436117 is about 28520.8014789206. The cubic root of 813436117 is about 933.4860175238.

The spelling of 813436117 in words is "eight hundred thirteen million, four hundred thirty-six thousand, one hundred seventeen".