8565774056 has 16 divisors (see below), whose sum is σ = 18355230240. Its totient is φ = 3671046000.

The previous prime is 8565774031. The next prime is 8565774067. The reversal of 8565774056 is 6504775658.

It is a super-2 number, since 2×8565774056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8565773989 and 8565774007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76480070 + ... + 76480181.

It is an arithmetic number, because the mean of its divisors is an integer number (1147201890).

Almost surely, 2^8565774056 is an apocalyptic number.

It is an amenable number.

8565774056 is an abundant number, since it is smaller than the sum of its proper divisors (9789456184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8565774056 is a wasteful number, since it uses less digits than its factorization.

8565774056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152960264 (or 152960260 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 53.

The square root of 8565774056 is about 92551.4670656279. The cubic root of 8565774056 is about 2046.0780900935.

The spelling of 8565774056 in words is "eight billion, five hundred sixty-five million, seven hundred seventy-four thousand, fifty-six".