811760404 has 72 divisors (see below), whose sum is σ = 1861610688. Its totient is φ = 302215680.

The previous prime is 811760381. The next prime is 811760419. The reversal of 811760404 is 404067118.

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 23 ways as a sum of consecutive naturals, for example, 75399 + ... + 85489.

It is an arithmetic number, because the mean of its divisors is an integer number (25855704).

Almost surely, 2^811760404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 811760404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930805344).

811760404 is an abundant number, since it is smaller than the sum of its proper divisors (1049850284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811760404 is a wasteful number, since it uses less digits than its factorization.

811760404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145 (or 10130 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 811760404 is about 28491.4093017527. The cubic root of 811760404 is about 932.8445698851.

The spelling of 811760404 in words is "eight hundred eleven million, seven hundred sixty thousand, four hundred four".