788812471081 has 16 divisors (see below), whose sum is σ = 843337633104. Its totient is φ = 735201460224.

The previous prime is 788812471079. The next prime is 788812471091. The reversal of 788812471081 is 180174218887.

It can be written as a sum of positive squares in 8 ways, for example, as 33505472025 + 755306999056 = 183045^2 + 869084^2 .

It is a cyclic number.

It is not a de Polignac number, because 788812471081 - 2¹ = 788812471079 is a prime.

It is a super-2 number, since 2×788812471081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (788812471091) 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, 2036845 + ... + 2392981.

It is an arithmetic number, because the mean of its divisors is an integer number (52708602069).

Almost surely, 2^788812471081 is an apocalyptic number.

It is an amenable number.

788812471081 is a deficient number, since it is larger than the sum of its proper divisors (54525162023).

788812471081 is a wasteful number, since it uses less digits than its factorization.

788812471081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357420.

The product of its (nonzero) digits is 1605632, while the sum is 55.

The spelling of 788812471081 in words is "seven hundred eighty-eight billion, eight hundred twelve million, four hundred seventy-one thousand, eighty-one".