8452773556 has 18 divisors (see below), whose sum is σ = 14846487558. Its totient is φ = 4210976160.

The previous prime is 8452773517. The next prime is 8452773557. The reversal of 8452773556 is 6553772548.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1648656 + 8451124900 = 1284^2 + 91930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8452773557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293146 + ... + 320686.

Almost surely, 2^8452773556 is an apocalyptic number.

It is an amenable number.

8452773556 is a deficient number, since it is larger than the sum of its proper divisors (6393714002).

8452773556 is a wasteful number, since it uses less digits than its factorization.

8452773556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28099 (or 27820 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 52.

The square root of 8452773556 is about 91938.9664723288. The cubic root of 8452773556 is about 2037.0408811385.

The spelling of 8452773556 in words is "eight billion, four hundred fifty-two million, seven hundred seventy-three thousand, five hundred fifty-six".