811337713 has 4 divisors (see below), whose sum is σ = 812692800. Its totient is φ = 809982628.

The previous prime is 811337693. The next prime is 811337731. The reversal of 811337713 is 317733118.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317733118 = 2 ⋅158866559.

It is a cyclic number.

It is not a de Polignac number, because 811337713 - 2²¹ = 809240561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (811337743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676645 + ... + 677842.

It is an arithmetic number, because the mean of its divisors is an integer number (203173200).

Almost surely, 2^811337713 is an apocalyptic number.

It is an amenable number.

811337713 is a deficient number, since it is larger than the sum of its proper divisors (1355087).

811337713 is a wasteful number, since it uses less digits than its factorization.

811337713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355086.

The product of its digits is 10584, while the sum is 34.

The square root of 811337713 is about 28483.9904683315. The cubic root of 811337713 is about 932.6826282328.

The spelling of 811337713 in words is "eight hundred eleven million, three hundred thirty-seven thousand, seven hundred thirteen".