8258089509 has 16 divisors (see below), whose sum is σ = 12253259200. Its totient is φ = 5496819408.

The previous prime is 8258089493. The next prime is 8258089517. The reversal of 8258089509 is 9059808528.

8258089509 is a `hidden beast` number, since 8 + 2 + 58 + 0 + 89 + 509 = 666.

It is not a de Polignac number, because 8258089509 - 2⁴ = 8258089493 is a prime.

It is a super-2 number, since 2×8258089509² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8258089589) 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, 220474 + ... + 255195.

It is an arithmetic number, because the mean of its divisors is an integer number (765828700).

Almost surely, 2^8258089509 is an apocalyptic number.

It is an amenable number.

8258089509 is a deficient number, since it is larger than the sum of its proper divisors (3995169691).

8258089509 is a wasteful number, since it uses less digits than its factorization.

8258089509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476321 (or 476315 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The square root of 8258089509 is about 90874.0309934582. The cubic root of 8258089509 is about 2021.2802318890.

The spelling of 8258089509 in words is "eight billion, two hundred fifty-eight million, eighty-nine thousand, five hundred nine".