8109508970 has 32 divisors (see below), whose sum is σ = 14845741776. Its totient is φ = 3188620800.

The previous prime is 8109508961. The next prime is 8109508993. The reversal of 8109508970 is 798059018.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 223891369 + 7885617601 = 14963^2 + 88801^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300460 + ... + 1306680.

Almost surely, 2^8109508970 is an apocalyptic number.

8109508970 is a deficient number, since it is larger than the sum of its proper divisors (6736232806).

8109508970 is a wasteful number, since it uses less digits than its factorization.

8109508970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 8109508970 is about 90052.8121160022. The cubic root of 8109508970 is about 2009.0844216659.

The spelling of 8109508970 in words is "eight billion, one hundred nine million, five hundred eight thousand, nine hundred seventy".