8797505409 has 24 divisors (see below), whose sum is σ = 15843127872. Its totient is φ = 4570132320.

The previous prime is 8797505383. The next prime is 8797505413. The reversal of 8797505409 is 9045057978.

8797505409 is a `hidden beast` number, since 8 + 7 + 97 + 5 + 0 + 540 + 9 = 666.

It is not a de Polignac number, because 8797505409 - 2⁹ = 8797504897 is a prime.

It is a super-2 number, since 2×8797505409² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8797505459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6346714 + ... + 6348099.

It is an arithmetic number, because the mean of its divisors is an integer number (660130328).

Almost surely, 2^8797505409 is an apocalyptic number.

It is an amenable number.

8797505409 is a deficient number, since it is larger than the sum of its proper divisors (7045622463).

8797505409 is a wasteful number, since it uses less digits than its factorization.

8797505409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694837 (or 12694834 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The square root of 8797505409 is about 93795.0180393394. The cubic root of 8797505409 is about 2064.3651278785.

The spelling of 8797505409 in words is "eight billion, seven hundred ninety-seven million, five hundred five thousand, four hundred nine".