808793680 has 20 divisors (see below), whose sum is σ = 1880445492. Its totient is φ = 323517440.

The previous prime is 808793647. The next prime is 808793681. The reversal of 808793680 is 86397808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213043216 + 595750464 = 14596^2 + 24408^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808793681) 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, 5054881 + ... + 5055040.

Almost surely, 2^808793680 is an apocalyptic number.

808793680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

808793680 is an abundant number, since it is smaller than the sum of its proper divisors (1071651812).

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

808793680 is a wasteful number, since it uses less digits than its factorization.

808793680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109934 (or 10109928 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 808793680 is about 28439.2981629294. The cubic root of 808793680 is about 931.7067667211.

The spelling of 808793680 in words is "eight hundred eight million, seven hundred ninety-three thousand, six hundred eighty".