8101812788 has 12 divisors (see below), whose sum is σ = 14252404992. Its totient is φ = 4029697080.

The previous prime is 8101812779. The next prime is 8101812811. The reversal of 8101812788 is 8872181018.

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 3 ways as a sum of consecutive naturals, for example, 5301470 + ... + 5302997.

It is an arithmetic number, because the mean of its divisors is an integer number (1187700416).

Almost surely, 2^8101812788 is an apocalyptic number.

It is an amenable number.

8101812788 is a deficient number, since it is larger than the sum of its proper divisors (6150592204).

8101812788 is a wasteful number, since it uses less digits than its factorization.

8101812788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604662 (or 10604660 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 44.

The square root of 8101812788 is about 90010.0704810301. The cubic root of 8101812788 is about 2008.4486588267.

The spelling of 8101812788 in words is "eight billion, one hundred one million, eight hundred twelve thousand, seven hundred eighty-eight".