9775228569 has 8 divisors (see below), whose sum is σ = 13351531872. Its totient is φ = 6357872160.

The previous prime is 9775228559. The next prime is 9775228577. The reversal of 9775228569 is 9658225779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9775228569 - 2⁴ = 9775228553 is a prime.

It is a super-2 number, since 2×9775228569² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9775228559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39736579 + ... + 39736824.

It is an arithmetic number, because the mean of its divisors is an integer number (1668941484).

Almost surely, 2^9775228569 is an apocalyptic number.

It is an amenable number.

9775228569 is a deficient number, since it is larger than the sum of its proper divisors (3576303303).

9775228569 is a wasteful number, since it uses less digits than its factorization.

9775228569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79473447.

The product of its digits is 19051200, while the sum is 60.

The square root of 9775228569 is about 98869.7555827868. The cubic root of 9775228569 is about 2138.1703703298.

The spelling of 9775228569 in words is "nine billion, seven hundred seventy-five million, two hundred twenty-eight thousand, five hundred sixty-nine".