808461788312 has 32 divisors (see below), whose sum is σ = 1524270458880. Its totient is φ = 401990967840.

The previous prime is 808461788293. The next prime is 808461788327. The reversal of 808461788312 is 213887164808.

It is a super-2 number, since 2×808461788312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4997933 + ... + 5157155.

It is an arithmetic number, because the mean of its divisors is an integer number (47633451840).

Almost surely, 2^808461788312 is an apocalyptic number.

It is an amenable number.

808461788312 is a deficient number, since it is larger than the sum of its proper divisors (715808670568).

808461788312 is a wasteful number, since it uses less digits than its factorization.

808461788312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162743 (or 162739 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 56.

The spelling of 808461788312 in words is "eight hundred eight billion, four hundred sixty-one million, seven hundred eighty-eight thousand, three hundred twelve".