811478104 has 16 divisors (see below), whose sum is σ = 1525672800. Its totient is φ = 404632032.

The previous prime is 811478081. The next prime is 811478113. The reversal of 811478104 is 401874118.

It is a self number, because there is not a number n which added to its sum of digits gives 811478104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135259 + ... + 141130.

It is an arithmetic number, because the mean of its divisors is an integer number (95354550).

Almost surely, 2^811478104 is an apocalyptic number.

It is an amenable number.

811478104 is a deficient number, since it is larger than the sum of its proper divisors (714194696).

811478104 is a wasteful number, since it uses less digits than its factorization.

811478104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276762 (or 276758 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 811478104 is about 28486.4547460719. The cubic root of 811478104 is about 932.7364211614.

The spelling of 811478104 in words is "eight hundred eleven million, four hundred seventy-eight thousand, one hundred four".