808131078 has 24 divisors (see below), whose sum is σ = 1791672168. Its totient is φ = 263112192.

The previous prime is 808131073. The next prime is 808131101. The reversal of 808131078 is 870131808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808131073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521275 + ... + 522822.

It is an arithmetic number, because the mean of its divisors is an integer number (74653007).

Almost surely, 2^808131078 is an apocalyptic number.

808131078 is an abundant number, since it is smaller than the sum of its proper divisors (983541090).

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

808131078 is a wasteful number, since it uses less digits than its factorization.

808131078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044148 (or 1044145 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 808131078 is about 28427.6463675768. The cubic root of 808131078 is about 931.4522644722.

The spelling of 808131078 in words is "eight hundred eight million, one hundred thirty-one thousand, seventy-eight".