808461788309 has 16 divisors (see below), whose sum is σ = 925776270720. Its totient is φ = 691603323840.

The previous prime is 808461788293. The next prime is 808461788327. The reversal of 808461788309 is 903887164808.

808461788309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 808461788309 - 2⁴ = 808461788293 is a prime.

It is a super-2 number, since 2×808461788309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808461788389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9658979 + ... + 9742319.

It is an arithmetic number, because the mean of its divisors is an integer number (57861016920).

Almost surely, 2^808461788309 is an apocalyptic number.

It is an amenable number.

808461788309 is a deficient number, since it is larger than the sum of its proper divisors (117314482411).

808461788309 is a wasteful number, since it uses less digits than its factorization.

808461788309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86060.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 808461788309 in words is "eight hundred eight billion, four hundred sixty-one million, seven hundred eighty-eight thousand, three hundred nine".