811960318 has 16 divisors (see below), whose sum is σ = 1336378176. Its totient is φ = 367679520.

The previous prime is 811960309. The next prime is 811960321. The reversal of 811960318 is 813069118.

It is a super-2 number, since 2×811960318² = 1318559116013322248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293238 + ... + 295993.

It is an arithmetic number, because the mean of its divisors is an integer number (83523636).

Almost surely, 2^811960318 is an apocalyptic number.

811960318 is a deficient number, since it is larger than the sum of its proper divisors (524417858).

811960318 is a wasteful number, since it uses less digits than its factorization.

811960318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589299.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 811960318 is about 28494.9174064429. The cubic root of 811960318 is about 932.9211414865.

The spelling of 811960318 in words is "eight hundred eleven million, nine hundred sixty thousand, three hundred eighteen".