8099100025 has 27 divisors (see below), whose sum is σ = 10317308493. Its totient is φ = 6306849600.

The previous prime is 8099099993. The next prime is 8099100041. The reversal of 8099100025 is 5200019908.

The square root of 8099100025 is 89995.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3409041769 + 4690058256 = 58387^2 + 68484^2 .

It is not a de Polignac number, because 8099100025 - 2⁵ = 8099099993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18448756 + ... + 18449194.

Almost surely, 2^8099100025 is an apocalyptic number.

8099100025 is the 89995-th square number.

8099100025 is the 44998-th centered octagonal number.

It is an amenable number.

8099100025 is a deficient number, since it is larger than the sum of its proper divisors (2218208468).

8099100025 is an frugal number, since it uses more digits than its factorization.

8099100025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The cubic root of 8099100025 is about 2008.2244681189.

The spelling of 8099100025 in words is "eight billion, ninety-nine million, one hundred thousand, twenty-five".