8100786265 has 16 divisors (see below), whose sum is σ = 11420410176. Its totient is φ = 5438289600.

The previous prime is 8100786247. The next prime is 8100786269. The reversal of 8100786265 is 5626870018.

It is not a de Polignac number, because 8100786265 - 2²⁷ = 7966568537 is a prime.

It is a super-2 number, since 2×8100786265² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8100786269) 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, 5664171 + ... + 5665600.

It is an arithmetic number, because the mean of its divisors is an integer number (713775636).

Almost surely, 2^8100786265 is an apocalyptic number.

It is an amenable number.

8100786265 is a deficient number, since it is larger than the sum of its proper divisors (3319623911).

8100786265 is a wasteful number, since it uses less digits than its factorization.

8100786265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329800.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 8100786265 is about 90004.3680328905. The cubic root of 8100786265 is about 2008.3638298352.

The spelling of 8100786265 in words is "eight billion, one hundred million, seven hundred eighty-six thousand, two hundred sixty-five".