8100787790 has 32 divisors (see below), whose sum is σ = 15452156160. Its totient is φ = 3052268800.

The previous prime is 8100787781. The next prime is 8100787829. The reversal of 8100787790 is 977870018.

It is a super-2 number, since 2×8100787790² (a number of 21 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328766 + ... + 352545.

It is an arithmetic number, because the mean of its divisors is an integer number (482879880).

Almost surely, 2^8100787790 is an apocalyptic number.

8100787790 is a deficient number, since it is larger than the sum of its proper divisors (7351368370).

8100787790 is a wasteful number, since it uses less digits than its factorization.

8100787790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681388.

The product of its (nonzero) digits is 197568, while the sum is 47.

The square root of 8100787790 is about 90004.3765047011. The cubic root of 8100787790 is about 2008.3639558623.

The spelling of 8100787790 in words is "eight billion, one hundred million, seven hundred eighty-seven thousand, seven hundred ninety".