8406028569 has 16 divisors (see below), whose sum is σ = 11709878400. Its totient is φ = 5353704576.

The previous prime is 8406028559. The next prime is 8406028597. The reversal of 8406028569 is 9658206048.

It is a happy number.

It is not a de Polignac number, because 8406028569 - 2⁸ = 8406028313 is a prime.

It is a super-2 number, since 2×8406028569² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8406028559) 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, 19474 + ... + 131115.

It is an arithmetic number, because the mean of its divisors is an integer number (731867400).

Almost surely, 2^8406028569 is an apocalyptic number.

It is an amenable number.

8406028569 is a deficient number, since it is larger than the sum of its proper divisors (3303849831).

8406028569 is a wasteful number, since it uses less digits than its factorization.

8406028569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151424.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 8406028569 is about 91684.3965405237. The cubic root of 8406028569 is about 2033.2789001613.

The spelling of 8406028569 in words is "eight billion, four hundred six million, twenty-eight thousand, five hundred sixty-nine".