8100781088 has 12 divisors (see below), whose sum is σ = 15948412830. Its totient is φ = 4050390528.

The previous prime is 8100781067. The next prime is 8100781103. The reversal of 8100781088 is 8801870018.

It can be written as a sum of positive squares in only one way, i.e., 6069656464 + 2031124624 = 77908^2 + 45068^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126574673 + ... + 126574736.

Almost surely, 2^8100781088 is an apocalyptic number.

It is an amenable number.

8100781088 is a deficient number, since it is larger than the sum of its proper divisors (7847631742).

8100781088 is a wasteful number, since it uses less digits than its factorization.

8100781088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253149419 (or 253149411 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 41.

The square root of 8100781088 is about 90004.3392731706. The cubic root of 8100781088 is about 2008.3634020042.

The spelling of 8100781088 in words is "eight billion, one hundred million, seven hundred eighty-one thousand, eighty-eight".